human anatomy meaning Options

human anatomy meaning Options

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ankle joint – joint that separates the leg and foot portions from the decreased limb; formed by the articulations between the talus bone of the foot inferiorly, and also the distal end from the tibia, medial malleolus from the tibia, and lateral malleolus with the fibula superiorly.

capsaicin – molecule that activates nociceptors by interacting with a temperature-sensitive ion channel and it is the basis for “warm” sensations in spicy meals.

bronchial bud – framework during the acquiring embryo that kinds if the laryngotracheal bud extends and branches to variety two bulbous structures.

adrenaline – Principal and many potent catecholamine hormone secreted with the adrenal medulla in reaction to limited-phrase pressure.

cupula – specialised composition inside the foundation of a semicircular canal that bends the stereocilia of hair cells when The pinnacle rotates By means of the relative movement of the enclosed fluid.

blood hydrostatic strain – pressure blood exerts more info against the walls of the blood vessel or heart chamber.

Yet, erect posture has developed a number of mechanical difficulties—particularly, bodyweight bearing. These difficulties have had to be satisfied by adaptations from the skeletal system.

dorsal – describes the back or course toward the back of the body; also generally known as posterior.

aortic arch – arc that connects the ascending aorta to your descending aorta; ends at the intervertebral disk concerning the fourth and fifth thoracic vertebrae.

atrium – (plural = atria) upper or getting chamber with the heart that read more pumps blood into your reduced chambers just prior to their contraction; the ideal atrium gets blood with the systemic circuit that flows into the appropriate ventricle; the left atrium receives blood from your pulmonary circuit that flows in to the left ventricle.

aortic hiatus – opening during the diaphragm that permits passage with the thoracic aorta into the abdominal region wherever it gets the abdominal aorta.

capillary – smallest of blood vessels where by Actual physical Trade happens between the blood and tissue cells surrounded by interstitial fluid.

descending aorta – portion of the aorta that carries on downward previous the end from the aortic arch; subdivided into the thoracic aorta as well as abdominal aorta.

cytokinesis – ultimate phase in cell division, wherever the cytoplasm divides to kind two independent daughter cells.