A Simple Key For anatomy human heart Unveiled
A Simple Key For anatomy human heart Unveiled
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cardiac skeleton – (also, skeleton of the heart) strengthened connective tissue Positioned in the atrioventricular septum; involves 4 rings that encompass the openings involving the atria and ventricles, and the openings towards the pulmonary trunk and aorta; The purpose of attachment to the heart valves.
arcuate line of the ilium – easy ridge Situated at the inferior margin of your iliac fossa; sorts the lateral percentage of the pelvic brim.
Mentioned in this post as A part of the axial skeleton is a 3rd subdivision, the visceral, comprising the decrease jaw, some factors with the upper jaw, along with the branchial arches, including the hyoid bone.
diploë – layer of spongy bone, that may be sandwiched amongst two the levels of compact bone present in flat bones.
diastolic force – reduce number recorded when measuring arterial hypertension; represents the minimum benefit similar to the strain that remains in the course of ventricular rest.
contralateral – word meaning “on the opposite side,” as in axons that cross the midline within a fibre tract.
costal groove – shallow groove along the inferior margin of the rib that gives passage for blood vessels and also a nerve.
anterior median fissure – deep midline attribute with the anterior spinal cord, marking the separation between the correct and left sides from the cord.
acute mountain sickness (AMS) – situation that occurs a results of read more acute exposure to substantial altitude as a consequence of a small partial tension of oxygen.
diploid – problem marked via the existence of a double complement of genetic materials (two sets of chromosomes, one particular set inherited from Every single of two mother and father).
bone marrow – tissue observed inside of bones; the website of all blood mobile differentiation and maturation of B lymphocytes.
cardiac plexus – paired complex community of nerve fibres close to the foundation with the heart that acquire more info sympathetic and parasympathetic stimulations to control HR.
connective tissue – type of tissue that serves to carry in position, join, and combine the body’s organs and devices.
absolute refractory period – time in the course of an action interval when A different motion prospective can't be produced because the voltage-gated Na+ channel is inactivated.