Monday, March 21, 2011

3/21/11 Class Notes

Endocrine System
            Hormones
Today’s Lecture
            History
                        Glands and hormones
            Terms
                        Endocrine system, combining forms
Ancient Views on Glands
            Hippocratic text, on Glands
            Terms *aden or boubon
            Character: spongy, oily and not like fleshy parts
            Function: regulates bodily moisture, removes surplus fluid
            Pathologies: excess flow-“when they suffer they make the rest of the body suffer”  Thought process was probably lymph nodes.
            Bubonic plague swollen lymph nodes.  Carried by a flee, headaches, appetite changes,
Hormones (gr. Horman- to excite)
            Secretin-william bayliss and ernest starling-1902
            The brown dog affair-1903-1910 Bayliss got in trouble with a group because he didn’t anestitzed him.  He won 2000 lbs.  anti-doggers who were against the anti-vivisections.  Statue was burned down into pavement.(?)
            Dissecting a dog alive, when touching the stomach a chemical as secreted. 
Exocrine vs. Endocrine
            Crine-secretion
            Exocrine-sebatous gland and they have a duct.
            Endocrine-to secrete within had no duct secrets it into the blood.
Endocrine System Overview
            Network of ductless glands and other structures
            Endocrine glands secrete hormones which affect function of targeted organs
Endocrine Glands
            Do not memorize all the hormones!  Know the diagnostic terms know what gland is causing the problem.
Combining Forms for the Endocrine System
            Aden/o            gland               adenoid(resembles a gland)/Adenine(-ine = carbon chemical ) / Adenase (-ase enzyme )/ Adenin(-in hormone )
            Pine/o              pineal Gland    pineoblastoma (-oma tumor blast-germs cell )/ Pineal Peduncle (peduncle – small foot )
            Pitu/I               pituitary gland                        pituicyte (pituitary cell)
            Pituit/o            (hypophysis)                pituitary fossa ( fossa- ditch shallow groove)
            Thyr/o             thyroid gland               thyroaplasia (lack of formation of the thyroid gland)
            Thyroid/o        thyroid gland               thyroidomania (abnormal inflammation)
Thereos (type of shield)
Parathydoid (along side the little shield)
            Thym/o            thymus gland/ mind    thymotoxic (adj. )/thymopoietin (hormone that makes
            Adren/o           adrenal gland              adrenotropic(turning and changing it)
            Adrenal/o                                            adrenotrophic(nutrition)
Ad-renal
            Supra-renal
            Pancreat/o      pancreas                     pancreatolithectomy (removal of stones from the kidney)/ Pancreatoncus(cancerous tumor)
            Test/o              testis                testosterone(steroid produced from the testicles)
            Testicul/o
            Testis unus, testis nullus two witnesses to convict someone.
            Roman goddess of justice, justitia sword shows capital punishment.  Scales mean justice, blind to show not partial
            Ovari/o            ovary               ovariogenic (orgin or creation of overies)
            Ovar/I              ovary               ovariprival (privade-to remove prival removal the ovaries and consequences of that removal)
            Andr/o             male                androgen (substance that creates male characteristics)
            Gyn/o              female             androgynous (neutral features, cannot recognize the sex)
Hermaphrodites (has both male and female sex organs) son of hermes and aphrodites beautiful young man didn’t really want to react to females and a nymph goes after him and to make them one she combines her female parts with his male parts.
            Crin/o              to secrete        crinogenic (creation of secretion)
            -crine                                       holocrine (complete picture, secretes the whole thing, secretes some of it’s cells)
            Dips/o              thirst                polydipsia (excessive thirst)/ haemadipsa (thing thirsty for blood, leach)
            Gluc/o             sugar               cytoglucopenia(abnormal reduction in sugar in a cell)
            Glucos/o                                  glucose
            Glyc/o                                      hyperglycemia (too much sugar in the blood)
            Glycos/o                                  glycosuria (sugar in the urine)/ glycosialia (sugar in the siliva)
            Ket/o               ketone bodies  ketosis (excessive ketone bodies)/ ketoacidosis (because of ketone bodies have acidity in blood)
            Hormon/o       hormone         hormonagogue (to lead  or conveys a hormone or stimulated)

Wednesday, March 9, 2011

3/9/11 Class Notes

Psychiatric Christmas Carols
                Nscissism: Hark! The Heralds Angels Sing About me!
                Mania: Deck the halls and walls and house and lawn and streets and stores and office and town and cars and busses and trucks and trees and fire hydrands and..We need more holly.
                Paranoia: Santa claus is coming to get me!
                Obsessive-complusive disorder: jingle bells, jingle bells, jingle bells, jingle bells, etc.
                Depression: silent anhedonia, holy anhedonia, all is flat all is lonely
                Schizophrenia: Do you hear what I hear?
Today
History:
                                4 temperaments, melancholy and hypochondriasis, epilepsy and the sacred disease
Terms: sympatic, diagnostic and psychiatry
Symptomatic terms
Which of the following words literally means ‘a condition of difficult articulation’?
                                Dysarthria
Combining forms for the nervous system
                Lex/o                    word or phrase                 alexia(word blindness)
                Arthr/o                 articulation/joint              dysarthria
                Phas/o                  speech                                 sensory aphasia(talk to you can’t understand, or what’s read)
                Lal/o                      speech                                 laloplegia( -plegia paralysis complete paralysis of speech)
                Lag/o                     word                                     logorrhea(diarrhea of the mouth)
Poli/o-grey
                Poliomyelitis (grey matter of the spinal cord inflammation)
                Polioencephalomeningomyelitis (grey matter in the brain and spinal cord and inflammation of menginges)
                Polioclastic (pertaining to the grey matter, breaking down)
What does myelomeningocele literally mean?
                Pouching of the spinal cord membrane
Spina bifida(cleft) occulta(hidden), meningocele(swelling of meninges), and myelomeningocele(spinal cord goes with the meninges)
Complete paralysis of one side of the body is:
                Hemiplegia(one side)
                Hemiparesis(partial)
                Paraplegia(half body,below)
                Quadriplegia(four limbs)
                Diplegia(two)
                Monoplegia(one)
                Triplegia(three)
-plesia(paralysis)
Cerebral palsy(paralysis)
                Quadriplegia (all four limbs are involved)
                Dipleasia( all four limbs are involved. Both legs are more severly effected than the arms)
                Hemiplegia(one side of the body is affected.  The arm is usually more involved than the leg)
What type of epilepsy is a major motor seizure involving all muscle groups characterized by violent movements?
                Grand mal seizure & tonic(muscle tension)-clonic seizure            
                ABSENSE SEIzure (small sprint of falling asleep) petit mal seizure (same as prior)
Epilepsy (gr. Epilepsia-to seize upon) the gods were coming upon someone (either pos. or neg.)
Seizure (o.fr. seisir, to take possession of)
Hippocrates On the sacred disease
                5th BC
                Attacks the notion that the ‘sacred disease’ is caused by a visitation of the gods
                Provides a physiological explanation for the ‘sacred disease’
                The sacred disease is no more sacred than any other disease, nature is sacred so all disease is caused by nature so it’s sacred.  Essentially what happens when you’re born you have a lot of phlegm in their head and some have them cleaned out when we are born and some don’t and later on in life when the phlegm comes does it being cold, when it hits the heat of blood it causes convulsions.
Huntingtons chorea (HD)
                Choreoathetosis
                                Chore/o-dance
                                Athet/o-lawless
Chorea and greek chorus
                Greek chorus, participate of people who would come out and sing and dance. Choreography
Terms related to the mind
                Psych/o (gr. Psyche-soul, mind)-psychosis(condition of the mind, hallucinations dilusions)
                Phren/o (gr. Phren-midriff, mind)-schizophrenia(dillusions)
                Thym/o(gr. Thumos-emotion,mind)- dysthymia(difficult emotion, chronic depression)
                Ment/a(l. mens-thought, mind)-dementia(away from ones mind, loss of mental function progressive)
                No/o(gr. Nous-intellect, mind)-paranoia(abnormal mind condition, persecution type of thought)
                **neur.o(gr. Neuron, nerve sinew)-neurosis(mal adaptive condition, overreact, OCD)
Thumos thymus gland thumOs emotion passion
A symptomatic terms
                A restless, dissatisfied mood is associated with which term?
                                Dysphoria (baring difficultly)
                                Euphoria (baring something well, exaggerated state of thinking of wellness)
                                Apathy( lack of emotion)
                What is the difference between a delusion and delirium?
                                Delusion(l. deludere-to deceive)
                                Delirium(l. de + lira-furrow) (away from the row)(not in touch with reality)
                                                Via appia-deviant behavior(going away from the norm)
Which of the following is a mood disorder?
                Mania
                Manic depression(bipolar)
                Autism (condition of the self)(can’t relate outside themselves)
                Ideation(form, species, process of ideas, suicidal tendencies or thoughts that keeps coming back)
Mania-maenad(women followers of dianysis, get into an ecstatic state doing crazy stuff king of thieves rejected dianysis and he goes out to get the king and gets him to see  and they rip him to shreds)
Which of the following are anxiety disorders?
                All of them
                Phobia-phobos the greek god of fear (son of aries and aphriditi)
                Aries in greek mythology is looked down upon, associated with disorderly war.  Athena is positive sense.  Aries in roman he is positive
Agoraphobia (fear of public spaces/outdoors)
Panic disorders (god pan, idea of too much anxiety over something unrealistic)(battle of marathon, pan goes off to marathon ..etc)
Four temperaments(too much)
1.       Choleric (yellow bile, short tempered)
2.       Melancholic (black bile, smarter, mania, depressed)
3.       Phlegmatic ( phlegm, lethargic)
4.       Sanguine ( blood, amorous, full of love, passionate)
Hypochondriasis(lower than the cartilage) and melancholy
                Galen believed that black bile was in the spleen.  Black bile could produce a state where you focus too much on your sickness and you’re depressed.
Anorexia nervosa –an/orex (gr. Orexis-appetite)/ia
Bulimia nervosa (gr. Boulimia-ravenous hunger)
                Parorexia(abnormal condition of appetite, for foods that are abonormal)
                Xenorexia( desire for things that are foreign)
                Hyperorexia (
                Orthorexia nervosa(focus on eating good foods excessively)

Monday, March 7, 2011

3/7/11 Class Notes

Nervous System & psychiatry
‘Midway through the exam, Allen pulls out a bigger brain’
Today’s Lecture
History
                                Galen, nemesius of emesa, brain mapping
Terminology
                                Combining forms
Combining forms for the nervous system
                Cerebr/o             cerebrum(L. brain)          cerebral cortex(pertaining to the cerebrum, cortex outer portion)
                Cortic/o                cortex(l. rind)
Cerebrum and cerebellum
                Cerebrum, corpus callosum, cerebellum, pons(bridge), medulla
                Cerebell/o          cerebellum (l. small brain)            cerebellifugal( )/cerebellipetal( )
                Fugal-L. fugere-to flee
                Petal-l. petere-to seek
                Efferent(away)/afferent(towards)
                Encephal/o         entire brain        encephalatrophy(atrophy of the whole brain) / encephalomere(-mere part of the brain)
                Pons , ponti-, pontifex maximus (fex-maker the greatest maker of a bridge) (high priest)
Combining forms for the nervous system and psychiatry
                Ventricul/o         ventricle (little belly or pouch)   ventriculogram (picture of a ventricle)/ventriloquist(speaking from their stomach)
                Ventricular system of the human brain
                                Central part of the left lateral ventricle, third ventricle,…etc.
Galen, Nemesuis of Emesa and Brainmapping
                Christian philosopher/bishop,
                c. 390 AD, on the Nature of man
                frontal cavities-sensation and imagination
                central cavity-intellectual thought
                posterior cavity-memory
                Galen didn’t map the brain, nemesius of emesa was the first to map the brain, he wasn’t a physician.  ‘I want to prove that god created the human body’ Leonardo diVinci
Lobe, Gyrus, Modern brain mapping
                Frontal lobe, premotor area, motor area, general sensory area, sensory association area, parietal lobe, occipital lobe, visual association area, visual area, etc
Homunculus (little man)
                Homo- man or human being , same
Combining forms for the nervous system & psychiatry
                Thalam/o             thalamus/ chamber
                                Takes care of all sensation, hypothalamus –regulates metabolism fluid retention.
                Thalamus-chamber or inner room in an ancient greek house place where the mistress slept and you would keep your most valuable possesstions
                Mening/o            meninges (membrane)                 meningomalacia
                Meningi/o                                                                           myelomalacia/spondylomalacia
Menix-pl. meninges (gr. Membrane)
                Dura mater arachnoid    pia mater             brain
                The meninges are the membranes covering the brain and spinal cord.
Arachne and Minerva (Athena)
                Arachne can weave very well, Athena is the godess of the arts.  Arachne says shes better than Athena.  Athena says are you sure want to say you’re better than Athena and she says yeah I’m better.  Athena hits arachne over the head and arachne hangs herself and Athena turns her into a spider so she can weave the rest of her life.
                Gangli/o               ganglion (gr. Knot)           ganglion
                Ganglion
                Gli/o      glue       gliocyte (glue cell)
                Astrocyte (star cell)
Glial cell-gliocyte
                Ependymal cells, oligodendrocytes , astrocytes, microglial cells, dendrites
                Gnos/o knowing               agnosia (abnormal condition no knowledge)(no knowledge of sensations coming to you)
                Esthesi/o             sensation            paresthesia (abnormal sensation)
                Sthen/o                               strength               myasthenia gravis (lack of muscle strength)
                -mnesia                                memory               amnesia(lack of memory)/paramnesia(abnormal memory)
                Stere/o                                3 dimensional or solid    astereognosis (lack of knowledge of three dimensional objects)
                Top/o    place     atopognosia (condition where there is a lack of knowledge of place)
                Somat/o              body      somatanesthesia(loss of body sensation)
                Narc/o  stupor, sleep     narcotic (drug that affects the central nervous system but brings about sleep)
                Somn/o                                sleep     somnambulism (sleep walking)
                Hypn/o                 hypnosis, sleep, sleep inducing                                 hypnonarcosis (condition where the person is hypnotized and is accentuated and given narcotics)
                Thanat/o             death                    thanatobiological (pertaining to life and death or process of)
                Thanatos( god of a warriors death) and hypnos (god of sleep)
                -lepsy                    seizure                 narcolepsy (falling asleep)
                Gr. Lepsis-taking hold, seizing
                NB lept/o-thin, slight, delicate; e.g. leptomeninges (thin or delicate membranes)
                -plexy                   stroke                   apoplexy(stroke/bad hemorrhaging in an organ)
                NB. Plexus (l. braid) brachial plexus(pertaining to arm, network of nerves, or arteries)
                Kinesi/o               movement         dyskinetic
                Tax/o    order or coordination     ataxic speech (uncoordinated speech)
                -paresis                                slighter paralysis               oroparesis
                -plegia                  paralysis                               glossoplegia
                -asthenia             weakness                            phonasthenia (weakness of speech)/ myasthenia gravis
                NB. Esthesi/o(sensation) and sthen/o(strength)

From here and above Test 4!

Wednesday, March 2, 2011

3/2/11 Class Notes!

Respiratory System
Today’s Lecture
History
                                Hippocratic treatments of respiratory diseases
Terms
                                Anatomical terms, symptomatic and diagnostic terms
Upper vs. Lower respiratory tract
                Conducting passages
                                Upper respiratory tract, nasal cavity pharynx, larynx
                                Lower respieratory tract trachea, primary bronchi, etc.
Anatomical terms
                Glottis (gr. Mouth of windpipe)
                Epiglottis-(epi(upon)-glottis) closes off the trachea
NB. Glottis-ulimately derived from the greek word for tongue (glotta)
Trachea
                Gr. Trakheia arteria lit. rough airpipe
NB. Trachy-rough; thachyphonia(rough, horse voice), dysphonia(difficult to speak with a horse voice)
                Artery is a carrier of air.
Anatomical terms: carina(ridge or anatomical spine)
                Left and right bronchi
Anatomical Terms
                Carina-L. keel of a boat-structure with a projecting central ridge
                                Argo navis (Jason and the argonots)
                Stroma-foundation-supporting tissues of an organ. i.e. connective tissue
                                Gr. Stroma-anything spread out for lying or sitting on. i.e. like a bed covering
                Parenchyma-functional tissue of an organ
                                Gr. Parenchuma-anything poured in beside
Symptomatic terms
                -pnea
                Eu-good
                Brady-slow
                Trachy-fast        
                Hypo-shallow
                Hyper-deep
                Dys-difficult
                A-lack of
                Ortho-upright
Breathing sounds
                Crackles/rales (fr. Rrattle)
                                Intermittent, nonmusical and brief
                                Poping/Velcro sound
                Wheezes/Rhonchi (gr. Rhoncus-a snore)
                                Continuously during inspiration or expiration
                                High pitched and have a shrill or squeaking quality
                Stridor (l. stridor-whistling cry)
                                High pitched harsh sound heard only during inspiration
Symptomatic: lung sounds
                Crackles-sound 1
                Course rales
                                Indicative of bronchiectasis or atelectasis
                Sound 2-stridor
                Stridor
                                Obstruction of the upper airway (trachea or larynx)
                Sound 3-wheezes/rhonchi
                Wheezes/rhonchi
                                Asthma or emphysema
                Sound 4-darth vader
General symptomatic terms
                You notice your patient’s voice is hoarse and he tells you that he has been spitting up blood.  What are the medical terms for these symptoms?
                Hemoptysis—ptysis=expectoration/spitting
                Dysphonia-phon/o=voice (gr. Phone-voice or sound)
Ancient treatment of hemoptysis
                Blood is getting in the lungs so they would tie off all limbs. 
Diagnostic terms
                Pleural effusion
                                Pyothorax=empyema
                                Hemothorax(blood in the pleural space)
                                Chylothorax(cial(lymph) in the pleural space)
                                Hydrothorax(seris fliud in the pleural space)
Hippocratic treatment of empyema
                Listen, take a metal tube and cut a whole under the rib and drain out, then pulled out the metal tube and let heal by itself.
Pneumothorax=collapsed lung
Hippocratic fallen lung
                 A is how we think of them
                B is how the hippocratics looked at it
                C  is why they though the rubbery sound happened.
                Animals have small lungs so they thought we have small lungs.
                Would blow up the lungs to get it to move back to the correct place
Restrictive vs. obstructive pulmonary disease
                Restrictive: restrictive pulmonary diseases cause lungs to lose their ability to hold as much air as usual
                Obstructive: decreased expiratory flow
                Normal, pneumoconiosis(restrictive), emphysema(obstructive)
Pneumoconiosis
                Healthy lung vs. lung suffering from pneumoconiosis
Diagnostic Terms
                Asthma (gr. Panting)
                                Status asthmaticus(status-condition(chronic) status-standing)
Emphysema(gr. Emphysan-to inflate)
Cystic Fibrosis
                Cystic fibrosis-(cyst/o-gr. Kystis-bladder)Fibr/o-l-fibra-thread
                                Mucus blocks air sacs (albeoli) in the lungs
                                Mucus blocks pancreatic ducts
                                Pancreatic duct
Pulmonary edema
                Accumulation of fluid in the air sacs (aveoli) in the lungs
Diagnostic terms
                Atelectasis
                                Atel/o=imperfect, incomplete
                Tele-distance     tel/o, teleo-end, completion
Airless portion of the lung.
Pulmonary tuberculosis
                Tubercle(l. tuberculum-little swelling)
                Rounded spot on the bone, small nodular lesion, grandular tissue(granuloma)
Caseous necrosis (ger. Kase) cheese like wasting away of tissue