Blood and lymphatic system
‘if it bleeds, we can kill it.’-dr. Schwarzenegger
Today’s lecture
History
Venesection
Miasma, sepsis, and lister
Combining forms
Venesection(vein, cut)/phlebotomy(ton, vein)
Bleeding and bloodletting,
Venesection, blood is a humor and if you have too much of it, it can create residue and rot, so you’d remove the excess blood, or they had too much naturally. If someone has too much blood lets remove it before hand so it doesn’t cause prettification. Too much blood causes a fever. Would bleed in one area, they would cut you higher up so that you can control it.
Barber surgeon
Barb (beard) barbers were medical practitioner would do minor surgeries . go to the barbor, you can get an enima, teeth pulled, blood, shave, haircut.red/white pole they would show the bloody rags after the venesections.
Phlebotomist
Diagnosis, not treatment. Drains blood. Looking for infections, different types of blood cells, rate of coagulation.
Components of the blood.
Plasma, is the fluid that goes around the cellular components.
Cellular components include: whiteblood cells, platelets, red blood cells.
Serum, clotted blood.
Hematocrit –gr. Krinein to judge, separate. Hemato – blood
Plasma
-plasm –gr. Plasma-anything molded or formed
Plasmapheresis (to lift away from plasma)
Plasmid(-id living substance, part of a living substance)
Plasmin(-in substance itself)
Neoplasm(neo-new formation)
Protoplasm(proto-first type)
Ectoplasm(ecto-outside of)
Serum-L. serum-whey
Ser/o-blood serum (or clear bodily fliud)
Serous (clear fliud of membrane)
Seroculture (serum and growing bacteria to find what the bacteria is)
Truth serum (produce of the antibodies from an animal)
Little miss muffet, sat on her tuffet, eating her curds and whey…
Milk byproduct clear stuff in yogurt is whey.
-cyte = cell
Erythrocyte –red blood cells
Leukocytes-white blood cells
Thrombocytes-platelets clot cell
-phil-attraction to, tendency towards, craving for
Neutrophil (l. neuter-neither)
Basophil (gr. Basis-step, base)
Eosinophil (gr. Eos-rose colored)
Eos, greek goddess of he sunrise-‘rosy-fingered dawn’
Eos pursuing tithonus – tithonus Trojan prince. She catches him, he gets promised eternal life, body doesn’t stay normal and young.
Cyt/o gr. Kutos-vase or jar
Cell-L. cella-room
-cytosis condition of cells
Microcytosis(increase amount of something small, red blood cells)
Macrocytosis(larger)
Anisocytosis (unequal sizes)(an-not iso-equal)
Poikilocytosis(irregular shape)(poikilos-diverse)
Reticulocytosis(net cells young red blood cells being produced)(reticula-net)
-Anemia (gr. An-not haima-blood)
Aplastic(lack of formation) anemia- normocytic-normochromic(normal size cell-normal color)
Pernicious anemia macrocytic(large cells)-normochromis(normal color)
Iron deficiency anemia- microcytic(small cells)-hypochromic(decreased color)
-emia
Leukemia (condition of blood, cancer)
Polycythemia (many cells condition of cells)
Septicemia (sept/I (gr. Sepsis-to make, rotten, spoil) putrefaction
NB. Sept/o-septum sept/i-seven
Sepsis before germ theory
Sepsis-putrefaction of blood or other humors
Miasma
Joseph Lister (1827-1912)
On the antiseptic principles of the practice of surgery-1867
Listerine-antiseptic
-ine used for protein
Toxemia
Tox/I, tox/o, -tox-poison
Toxicology(study of toxins)
Toxin
Botox(poisonous)
Apollo and arthemis killing niobe’s children with a toxon=bow and arrows
Lympthatic system
One way street. Not circulatory
Clear fluid (water, fluid, fat)
Lympathic system overview
Filters microorganisms and foreign particles
Lymphadenopathy (lymph node swollen)
Lymphangitis (lymph duct, vessel, gets infected hot painful to touch)
Maintains the body’s internal fluid environment
Lymphokinesis(movement of lymph) motion and pressure gradient
(High pressure)Blood capillaries>interstitial fluid> lymph capillaries> lymph veins>lymph ducts>large circ. Veins(low pressure)
Lymphedema (gr. Oidemia-swelling)
Carries fats away from the digestive organs
Chyle (chylo or chyl/i
Chylothorax-chylous effusion (out of pouring)
QUIZ ON MONDAY!
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