Not known Facts About anatomy human heart
Not known Facts About anatomy human heart
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arteriovenous anastomosis – shorter vessel connecting an arteriole on to a venule and bypassing the capillary beds.
anterior talofibular ligament – intrinsic ligament Situated about the lateral facet with the ankle joint, involving talus bone and lateral malleolus of fibula; supports talus within the talocrural joint and resists excessive inversion in the foot.
dense body – sarcoplasmic structure that attaches towards the sarcolemma and shortens the muscle mass as slim filaments slide previous thick filaments.
acrosome – cap-like vesicle Found within the anterior-most area of the sperm that is definitely prosperous with lysosomal enzymes able to digesting the protective layers surrounding the oocyte.
acetabulum – substantial, cup-shaped cavity Situated over the lateral side in the hip bone; fashioned from the junction on the ilium, pubis, and ischium parts with the hip bone.
adrenal vein – drains the adrenal or suprarenal glands that happen to be promptly outstanding for the kidneys; the right adrenal vein enters the inferior vena cava directly as well as the left adrenal vein enters check here the left renal vein.
calyces – cup-like constructions obtaining urine through the collecting ducts exactly where it passes on to the renal pelvis and ureter.
cytoskeleton – “skeleton” of the mobile; fashioned by rod-like proteins that help the cell’s shape and supply, amid other features, locomotive qualities.
angiotensin I – protein produced by the enzymatic motion of renin on angiotensinogen; inactive precursor of angiotensin II.
blood – liquid connective tissue made up of mobile components—erythrocytes, leukocytes, and platelets—plus a fluid extracellular matrix named plasma; part from the cardiovascular method.
bone marrow transplant – therapy wherein a donor’s wholesome bone marrow with its stem cells replaces diseased or weakened bone marrow of a client.
The different organ programs Each and every have various features and for that reason distinctive roles to conduct in physiology. These a lot of features can be summarized with regards to a handful of that we'd take into consideration definitive of human existence: Business, metabolism, responsiveness, movement, progress, and replica.
descending aorta – part of the aorta that proceeds downward past the top with the aortic arch; subdivided in to the thoracic aorta along with the check here abdominal aorta.
complete refractory time period – time through an motion time period when One more motion opportunity cannot be created as the voltage-gated Na+ channel is inactivated.