Rumored Buzz on human anatomy and physiology definition
Rumored Buzz on human anatomy and physiology definition
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circle of Willis – (also, arterial circle) anastomosis Found at the base of your brain that makes certain continual blood source; shaped from branches of The inner carotid and vertebral arteries; supplies blood for the brain.
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bronchoconstriction – minimize in the scale in the bronchiole resulting from contraction in the muscular wall.
central canal – longitudinal channel from the centre of every osteon; consists of blood vessels, nerves, and lymphatic vessels; often known as the Haversian canal.
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blood hydrostatic tension – force blood exerts in opposition to the walls of a blood vessel or heart chamber.
However, erect posture has produced quite a few mechanical problems—particularly, bodyweight bearing. These problems have had to be fulfilled by adaptations on more info the skeletal method.
cell cycle – lifetime cycle of a single cell, from its birth until its division into two new daughter cells.
antidiuretic hormone (ADH) – hypothalamic hormone that is definitely stored via the posterior pituitary Which indicators the kidneys to reabsorb h2o.
dihydroxyvitamin D – Energetic type of vitamin D essential because of the intestinal epithelial cells to the absorption of calcium.
basilar artery – shaped from your fusion of The 2 vertebral arteries; sends branches for the cerebellum, Mind stem, as well as posterior cerebral arteries; the principle blood provide on the brain stem.
anterior spinal artery – blood vessel with the merged branches from the vertebral arteries that operates alongside the anterior surface area of the spinal wire.
descending aorta – percentage of the aorta that proceeds downward previous the end of your aortic arch; subdivided to the thoracic aorta along with the abdominal aorta.
atrioventricular septum – cardiac septum Situated between the atria and ventricles; atrioventricular valves are located in this article.