Term
| Purpose of endocrine system |
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Definition
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Term
| Where does the pituitary gland sit it |
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Definition
| Sella turcica of the sphenoid bone |
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Term
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Definition
| thin stalk that connects pituitary to hypothalmus |
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Term
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Definition
| Anterior pituitary (produces & secretes hormones) |
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Term
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Definition
| Posterior pituitary (neural part) |
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Term
| Function of pituitary gland |
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Definition
| stimulates growth of target organs, secretion of other hormones, uterine contractions, etc... |
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Term
| Function of thyroid gland |
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Definition
| increases metabolism and lower plasma calcium levels |
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Term
| Function of parathyroid gland |
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Definition
| increases plasma calcium levels |
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Term
| Function of Adrenal cortex |
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Definition
| regulates metabolisim, especially during stress |
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Term
| Function of Adrenal medulla |
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Definition
| enhance "fight or flight" response |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| maturation of T lymphocytes |
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Term
| Function of Gonads (Testes and Ovaries) |
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Definition
| Maintain reproductive organs |
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Term
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Definition
Transports nutrients
Regulates body temp, pH, fluid levels
Protects body from infection with immune cells |
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Term
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Definition
Formed elements (Cells) 45%
Plasma (extracellular matter) 55% |
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Term
| How much blood is in an average adult? |
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Definition
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Term
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Definition
Water (92%)
Ions
nutrients
wastes
oxygen
proteins
antibodies |
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Term
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Definition
| Plasma minus the clotting factors |
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Term
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Definition
RBC's
lack a nucleus
Biconcave discs
carry oxygen and carbon dioxide
life of 120 days
removed by liver and spleen |
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Term
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Definition
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Term
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Definition
Anti-B antibodies
Antigen A |
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Term
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Definition
Anti-A antibodies
Antigen B |
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Term
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Definition
Antigen A and B
No antibodies |
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Term
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Definition
Neither antigen A or B
Both anti-A and anti-B antibodies |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| blood clumps when mixed with an incompatable type |
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Term
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Definition
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Term
| Universal blood recipient |
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Definition
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Term
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Definition
WBC's
white blood cells
defense against disease |
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Term
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Definition
Phagocytize bacteria
1st to arrive to injury |
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Term
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Definition
Phagocytize allergens & antibodies/antigens
(fight parasitic worms) |
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Term
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Definition
Release histomine
(increase inflammation/allergic response) |
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Term
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Definition
| macrophages when out of blood vessel |
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Term
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Definition
coordinate immune cell activity
produce antibodies |
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Term
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Definition
| Manage direct immune response |
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Term
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Definition
| stimulated to become plasma cells and produce antibodies |
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Term
| NK lymphocytes (Natural Killer cells) |
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Definition
| Attack abnormal and infected tissue cells |
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Term
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Definition
"Thrombocytes"
Cell fragments
help initiate blood clotting
from megakaryocytes |
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Term
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Definition
Blood cell formation
blood cells continuously replaced
(8 million RBC's every second) |
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Term
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Definition
| takes blood from heart to and from lungs |
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Term
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Definition
| pumps blood from heart to and from body |
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Term
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Definition
| Serous membrane covering of heart |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| Squamous epithelium that lines heart chambers |
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Term
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Definition
receives oxygen-poor blood from systemic circuit via 3 veins
Superior and Inferior vena cava
Coronary sinus |
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Term
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Definition
| drains blood from heart wall |
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Term
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Definition
| muscular flap that covers up the hole in the field interatrial septum |
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Term
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Definition
(Right Atrioventricular Valve)
Separates R. Atrium and R. Ventricle |
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Term
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Definition
Receives blood from right atrium and pumps it to lungs
(Pulmonary Trunk) |
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Term
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Definition
| Pumps oxygen-rich blood from lungs |
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Term
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Definition
| Superior end of ventricular cavity entrance into the aorta |
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Term
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Definition
| thin strands of collagen fibers that prevent the right AV valve from flipping into the atrium while the ventricle is contracting |
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Term
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Definition
| muscular projections that anchor chordae tendinae |
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Term
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Definition
| Contraction of a heart chamber |
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Term
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Definition
| Relaxtion of a heart chamber |
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Term
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Definition
Signals chambers to contract in proper sequence
Sets heart rate
Sets heart rate |
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Term
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Definition
Signal begins here
In right atrium
(Pacemaker) |
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Term
| Atrioventricular (AV) node |
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Definition
| Floor of right atrium between right AV valve and opening of coronary sinus |
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Term
Atrioventricular bundle
(Bundle of his) |
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Definition
| Recieves muscle impulse from the AV node and extends into interventricular septum before dividing into left and right bundles |
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Term
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Definition
| Bundles conduct the impulse to conduction fibers (purkinje fibers) |
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Term
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Definition
| begin with apex of heart, extend through the walls of the ventricles |
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Term
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Definition
| coronary arteries--> coronary veins |
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Term
| Difference between Vein and Artery structure |
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Definition
Vein- Bigger lumen, walls are thinner
Artery-Smaller lumen; walls are thicker |
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Term
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Definition
Carry blood away from heart
(not always O2-rich blood) |
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Term
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Definition
Smallest blood vessels
tube of endothelium |
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Term
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Definition
| Carry bood toward the heart; walls are thinner and lumen is larger than arteries |
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Term
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Definition
| central space (hole inside tube) |
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Term
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Definition
innermost layer of endothelium
simple squamous epithelium |
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Term
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Definition
middle layer of smooth muscle & elastin
Contraction=vasoconstriction
relaxation=vasodilation |
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Term
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Definition
| Outermost layer of connective tissue |
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Term
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Definition
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Term
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Definition
| Reduced blood flow to heart wall |
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Term
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Definition
Heart attack
Prolonged blockage of coronary artery with a blood clot |
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Term
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Definition
| take new vessle to bring blood vessel |
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Term
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Definition
| Hardening of the arteries |
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Term
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Definition
| Specific type of arterial disease, thickening of the tunica intima with atherosclerotic plaques |
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Term
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Definition
| dialated, tortous veins that become nonfuctional with aging, trauma, or stress |
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Term
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Definition
| Weakening wall of a blood vessel |
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Term
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Definition
| wire mesh is expanded in artery to compact plaque so blood flow increases |
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