A Simple Key For human anatomy & physiology Unveiled
A Simple Key For human anatomy & physiology Unveiled
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cholinergic system – neurotransmitter process of acetylcholine, which includes its receptors along with the enzyme acetylcholinesterase.
cardiac notch – melancholy from the medial floor of the inferior lobe of your remaining lung where the apex of the heart is situated.
denaturation – lack of condition inside a protein because of adjustments in temperature, pH, or chemical publicity.
distal convoluted tubules – parts of your nephron distal towards the loop of Henle that acquire hyposmotic filtrate from the loop of Henle and vacant into accumulating ducts.
aorta – biggest artery from the body, originating within the left ventricle and descending towards the abdominal area in which it bifurcates in the frequent iliac arteries at the extent on the fourth lumbar vertebra; arteries originating from the aorta distribute blood to virtually all tissues in the body.
cardiac output (CO) – quantity of blood pumped by Just about every ventricle through one particular moment; equals HR multiplied by SV.
anosmia – lack of the perception of smell; commonly the results of physical disruption of the primary cranial nerve.
cortex – in hair, the 2nd or Center layer of keratinocytes originating within the hair matrix, as witnessed inside a cross-part from the hair bulb.
atrial natriuretic peptide (ANP) – peptide hormone made by the partitions of the atria in reaction to higher blood pressure, blood quantity, or blood sodium that reduces the reabsorption of sodium and drinking water from the kidneys and encourages vasodilation.
atrium – (plural = atria) higher or obtaining chamber in the heart that pumps blood to the lower chambers just just before their contraction; the ideal atrium gets blood from your systemic circuit that flows into the best ventricle; the remaining atrium gets blood with the pulmonary circuit that flows in to the left ventricle.
bone marrow – tissue discovered inside of bones; the site of all blood mobile differentiation and maturation of B lymphocytes.
bundle of His – (also, atrioventricular bundle) team of specialised myocardial conductile cells that transmit the impulse from the AV node from the interventricular septum; type the left and proper atrioventricular bundle branches.
A distinctive characteristic of humans as when compared with other mammals is erect posture. The human body is to some extent just like a walking tower that moves on pillars, represented with the legs. Large get more info advantages are actually acquired from this erect posture, the chief amongst which has been the releasing on the arms for a great selection of works by using.
coronoid fossa – despair around the anterior floor from the humerus earlier mentioned the trochlea; this Area gets the coronoid process of the ulna in the event the elbow is check here maximally flexed.