The Definitive Guide to human anatomy meaning
The Definitive Guide to human anatomy meaning
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angiotensin II – protein made by the enzymatic action of ACE on inactive angiotensin I; actively causes vasoconstriction and stimulates aldosterone release via the adrenal cortex.
bicuspid valve – (also, mitral valve or still left atrioventricular valve) valve Found in between the still left atrium and ventricle; consists of two flaps of tissue.
Talked over in the following paragraphs as Component of the axial skeleton is a third subdivision, the visceral, comprising the lower jaw, some features on the higher jaw, and the branchial arches, including the hyoid bone.
acrosome – cap-like vesicle Situated within the anterior-most location of the sperm that's rich with lysosomal enzymes able to digesting the protective layers bordering the oocyte.
abdominal aorta – portion of the aorta inferior into the aortic hiatus and remarkable on the frequent iliac arteries.
contralateral – phrase meaning “on the opposite facet,” as in axons that cross the midline in the fibre tract.
calcitonin – peptide hormone generated and secreted via the parafollicular cells (C cells) on the thyroid gland that functions to decrease blood calcium stages.
condylar process click here of the mandible – thickened upward projection from posterior margin of mandibular ramus.
atrial natriuretic peptide (ANP) – peptide hormone produced by the walls of your atria in response to higher blood pressure level, blood volume, or blood sodium that lowers the reabsorption of sodium and drinking water within the kidneys and encourages vasodilation.
diploid – issue marked from the get more info existence of the double enhance of genetic substance (two sets of chromosomes, one particular set inherited from Each individual of two moms and dads).
basilar artery – shaped in the fusion of The 2 vertebral arteries; sends branches on the cerebellum, brain stem, plus the posterior cerebral arteries; the main blood source towards the brain stem.
arachnoid trabeculae – filaments in between the arachnoid and pia mater inside the subarachnoid Place.
axillary vein – important vein from the axillary region; drains the higher limb and becomes the subclavian vein.
anterior corticospinal tract – division on the corticospinal pathway that travels from the ventral (anterior) column of your spinal wire and controls axial musculature through the medial motor neurons while in the ventral (anterior) horn.