anatomy human heart for Dummies

angiotensin II – protein produced by the enzymatic action of ACE on inactive angiotensin I; actively causes vasoconstriction and stimulates aldosterone launch with the adrenal cortex.

diffusion – motion of a material from a region of greater concentration to one of decreased concentration.

Modifications in an organism’s internal surroundings, for instance greater body temperature, might cause the responses of perspiring as well as the dilation of blood vessels inside the skin as a way to lessen body temperature, as proven from the runners in Determine one.seven.

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

Manage centre – compares values to their regular variety; deviations trigger the activation of an effector.

Brodmann’s places – mapping of regions of your cerebral cortex depending on microscopic anatomy that relates certain places to practical differences, as explained by Brodmann during the early 1900s.

dendrite – a person of numerous branchlike processes that extends from the neuron mobile body and functions being a contact for incoming signals (synapses) from other neurons or sensory cells.

coronoid technique of the ulna – projecting bony lip Situated about the anterior, proximal ulna; varieties the inferior margin from the trochlear notch.

canaliculi – (singular = canaliculus) channels throughout the bone matrix that household among an osteocyte’s many cytoplasmic extensions that it takes advantage of to communicate and get nutrients.

synthetic pacemaker – clinical machine that transmits electrical alerts to the heart to make certain it contracts and pumps blood on the body.

anterior cardiac veins – vessels that parallel the compact cardiac arteries and drain the anterior area here of the proper ventricle; bypass the coronary sinus and drain specifically into the appropriate atrium.

cerebral peduncles – segments of the descending motor pathway that make up the white matter from the ventral midbrain.

connective tissue – variety of tissue that serves to carry in position, hook up, and integrate the body’s organs and techniques.

azygos vein – originates within the lumbar area and passes from the diaphragm in to the thoracic cavity on the appropriate side of the vertebral column; drains blood from your intercostal veins, oesophageal veins, bronchial veins, and more info also other veins draining the mediastinal location; leads to the outstanding vena cava.

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