The 2-Minute Rule for human anatomy

cytoplasm – inner content amongst the cell membrane and nucleus of the cell, mainly consisting of a h2o-dependent fluid identified as cytosol, in which happen to be all another organelles and mobile solute and suspended supplies.

circulatory shock – also just identified as shock; a lifetime-threatening professional medical problem wherein the circulatory system is not able to produce sufficient blood movement to supply adequate oxygen together with other nutrients into the tissues to keep up cellular metabolism.

basilic vein – superficial vein in the arm that occurs from the palmar venous arches, intersects Along with the median cubital vein, parallels the ulnar vein, and continues to the higher arm; along with the brachial vein, it brings about the axillary vein.

angiotensinogen – inactive protein within the circulation produced by the liver; precursor of angiotensin I; must be modified from the enzymes renin and ACE to become activated.

aorta – biggest artery while in the body, originating in the still left ventricle and descending to your abdominal region wherever it bifurcates into the frequent iliac arteries at the level from the fourth lumbar vertebra; arteries originating through the aorta distribute blood to just about all tissues of your body.

contralateral – term meaning “on the opposite aspect,” as in axons that cross the midline within a fibre tract.

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brachial artery – continuation of the axillary artery while in the brachium; supplies blood to Substantially on the brachial location; offers off quite a few lesser branches that present blood to your posterior floor of the arm within the region of your elbow; bifurcates into your radial and ulnar arteries for the coronoid fossa.

dermal papilla – (plural = dermal papillae) extension with the papillary layer of your dermis that improves area Get in touch with between the epidermis and dermis.

chorion – membrane that develops in the here syncytiotrophoblast, cytotrophoblast, and mesoderm; surrounds the embryo and varieties the foetal portion of the placenta in the chorionic villi.

amniotic cavity – cavity that opens between the internal cell mass plus the trophoblast; develops into amnion.

Responsiveness is the ability of the organism to adjust to variations in its inside and external environments. An illustration of responsiveness to exterior stimuli could involve relocating toward resources of food items and h2o and away from perceived hazards.

descending aorta – part of the aorta that carries on downward previous the end with the aortic arch; subdivided to the thoracic aorta and also the abdominal aorta.

adaptive get more info immune reaction – fairly gradual but really specific and successful immune reaction controlled by lymphocytes.

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