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exam

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Term
Definition
Renin/Angiotensinogen   raises blood pressure  
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EPO   glycoprotein hormone that controls RBC production  
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ADH   stimulates kidneys to absorb water  
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Glucagon   raises blood sugar levels  
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insulin   decreases blood sugar levels  
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ANP   reduces blood pressure;heart  
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aldosterone   regulates Na+ reabsorption and K+ secretion by kidney;adrenal cortex  
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thyroxine   accelerates metabolic rate in most tissue;secreted by thyroid gland  
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epinephrine   adrenaline;adrenal medulla  
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cholecalciferol   inactive form of vitamin D3; exposed to ultraviolet  
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Vitamin D   promotes calcium absorption  
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oxytocin   stimulates contraction of uterus during child birth  
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antagonistic   hormone that opposes another hormone  
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synergistic   hormone that amplifies another hormone  
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permissive   hormone cannot work without other hormone  
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humoral   hormone release caused by altered levels of certain ions or nutrients  
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neural   hormone release caused by neural output  
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hormonal   hormone release caused by another hormone  
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Graves's disease   disorder resulting from hyperactive thyroid gland  
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diabetes   disease caused by insufficient insulin release  
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cretinism   caused by severe hypothyroidism  
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Cushing's disease   caused by ACTH-releasing pituitary tumor  
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goiter   enlarged protruding thyroid gland  
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bilirubin   yellow pigment of bile  
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hemoglobin   oxygen-transporting protein of erythrocytes  
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factor viii   anti-hemophiliac factor  
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SA node   sets the pace for the heart  
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AV node   signal is 0.1 second behind  
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bundle of his   conduct the impulses through the inter ventricular septum  
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purkinje fibers   depolarize the cells of both ventricles  
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lacteal   lymphatic capillaries of the small intestine that take up lipids  
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lymph nodes   filters lymph; contains macrophages and lymphocytes  
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hydroxyurea   drug to treat chronic leukemia  
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Sickle cell   caused by abnormal hemoglobin  
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plasma   fluid part of blood  
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bone marrow   blood forming tissue within bone  
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erythrocytes   red blood cells  
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antigens   recognized as foreign to the immune system  
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antibodies   binds to an antigen to destroy it  
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leukocytes   white blood cells; immune response  
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platelets   cell fragment found in blood  
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polycythemia   abnormally high number of RBC  
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hemophilia   hereditary bleeding disorder; blood does not clot properly  
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diapedesis   the passage of blood cells through the intact walls of the capillaries, typically accompanying inflammation  
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artery   carry blood away from the heart  
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arteriole   minute artery  
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capillary   smallest of blood vessels and the site of exchange between blood and tissue cells  
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venule   a small vein  
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vein   return blood to the heart  
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limbic system   involved in emotion response and memory formation  
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hippocampus   converts new info into long-term memories  
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amygdala   center for emotional response; fear  
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ependymal cell   CNS supporting cell; lines central cavities of brain and spinal cord  
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Schwann cell   PNS supporting cell; produce myelin sheaths  
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oligodendrocytes   CNS supporting cell; forms myelin sheaths  
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choroid plexus   produces cerebrospinal fluid  
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ventricles   function as major blood pumps in the heart; cavities in the brain  
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arachnoid villi   weblike; middle layer of 3 meninges  
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olfactory   sensory nerve for smell  
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optic   sensory nerve of vision  
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oculomotor   supplies muscles that control eye movement and raises upper eyelids  
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trochlear   innervates the superior oblique eye muscle that runs through a pulley-like loop  
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trigeminal   supplies motor nerves for chewing  
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abducens   turns the eye laterally  
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facial   innervates muscles of facial expression  
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glosso-pharyngeal   innervates tongue and throat  
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vagus   extends to throat and abdomen  
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accessory   supplies motor fibers to trapezius and sternocleidomastoid muscles  
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vestibulo-cochlear   sensory nerve for hearing and vision  
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thalamus   distributes info to the right place  
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pineal(body) gland   aware of light change  
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cerebellum   center for coordination, balance, muscle tone, posture  
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medulla   primitive brain region, control heartbeat, involuntary actions  
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pons   works with medulla  
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hypothalamus   center for many homeostats; constantly checking levels in the body  
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universal donor   O negative  
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universal recipient   AB  
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PDGF   Platelet-derived growth factor is one of the numerous growth factors, or proteins that regulate cell growth and division  
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TTX   potent neurotoxin  
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atropine   helps keep your heart rate stable after a heart attack or during surgery  
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TRH   stimulates the release of TSH and prolactin from the anterior pituitary  
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TSH   stimulates the thyroid gland to produce thyroxine and then triiodothyronine which stimulates the metabolism of almost every tissue in the body  
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thyroxine   responsible for regulation of metabolism  
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PNS   connect the central nervous system to the limbs and organs  
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ANS   control system that acts largely unconsciously and regulates bodily functions  
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CNS   integrates information it receives from, and coordinates and influences the activity of, all parts of the bodies  
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