Facts About anatomy human heart Revealed

Facts About anatomy human heart Revealed

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cardiac skeleton – (also, skeleton from the heart) reinforced connective tissue Situated in the atrioventricular septum; features 4 rings that surround the openings involving the atria and ventricles, and the openings on the pulmonary trunk and aorta; The purpose of attachment for that heart valves.

diffusion – motion of a compound from a region of bigger focus to at least one of lower focus.

dense body – sarcoplasmic structure that attaches on the sarcolemma and shortens the muscle mass as slender filaments slide previous thick filaments.

dentin – bone-like tissue promptly deep into the enamel in the crown or cementum of the basis of the tooth.

afterload – power the ventricles will have to create to efficiently pump blood versus the resistance inside the vessels.

cauda equina – bundle of spinal nerve roots that descend from your reduced spinal twine beneath the main lumbar vertebra and lie in the vertebral cavity; has the appearance of a horse’s tail.

atrioventricular (AV) node – clump of myocardial cells situated in the inferior percentage of the correct atrium throughout the atrioventricular septum; gets the impulse through the SA node, pauses, after which transmits it into specialised conducting cells throughout the interventricular septum.

cavernous sinus – enlarged vein that receives blood from a lot of the other cerebral veins and the eye socket, and leads to the petrosal sinus.

articular disc – meniscus; a fibrocartilage composition located in between the bones of some synovial joints; delivers padding or smooths movements in between the bones; strongly unites the bones jointly.

brachial vein – deeper vein with the arm that kinds in the radial and ulnar veins while in the decreased arm; brings about the axillary vein.

aortic hiatus – opening inside the diaphragm that allows passage on the thoracic aorta in to the abdominal area the place it gets the abdominal aorta.

costal more info side – internet site over the lateral sides of the thoracic vertebra for articulation with The pinnacle of the rib.

ball-and-socket joint – synovial joint fashioned between the spherical conclude of one bone (the ball) that fits into your melancholy of the second here bone (the socket); discovered in the hip and shoulder joints; functionally labeled as being a multiaxial joint.

carbonic anhydrase (CA) – enzyme that catalyses the response that causes carbon dioxide and drinking water to variety carbonic acid.