baroreceptor reflex – autonomic reflex in which the cardiac centres keep track of alerts from the baroreceptor stretch receptors and control heart operate determined by blood flow.
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brachiocephalic artery – single vessel Situated on the right side of your body; the very first vessel branching from your aortic arch; presents increase to the ideal subclavian artery and the best typical carotid artery; supplies blood to the head, neck, upper limb, and wall of the thoracic location.
acrosome – cap-like vesicle Found at the anterior-most region of a sperm that may be abundant with lysosomal enzymes capable of digesting the protecting layers bordering the oocyte.
aorta – biggest artery while in the body, originating in the remaining ventricle and descending on the abdominal area where by it bifurcates in the widespread iliac arteries at the level in the fourth lumbar vertebra; arteries originating from your aorta distribute blood to almost all tissues on the body.
contralateral – term meaning “on the opposite aspect,” as in axons that cross the midline in a fibre tract.
atrioventricular (AV) node – clump of myocardial cells situated in the inferior part of the correct atrium throughout the atrioventricular septum; receives the impulse through the SA node, pauses, then transmits it into specialised conducting cells within the interventricular septum.
mobile cycle – existence cycle of a single cell, from its beginning till its division into two new daughter cells.
carotid sinuses – small pockets close to the base of The inner carotid arteries which are the locations of the baroreceptors and chemoreceptors that bring about a reflex that aids during the regulation of vascular homeostasis.
The 3rd common functionality with the skeleton is usually that of motion. The good bulk in the skeletal muscles are firmly anchored to the skeleton, normally to not less than two bones and in some instances to a more info lot of bones.
axon phase – solitary extend in the axon insulated by myelin and bounded by nodes of Ranvier at either conclusion (aside from the main, which can be once the Preliminary phase, and the final, which happens to be followed by the axon terminal).
Different organ techniques each have different features and thus distinctive roles to complete in physiology. These numerous capabilities might be summarized when it comes to a couple of that we'd consider definitive of human lifestyle: organization, metabolism, responsiveness, movement, enhancement, and copy.
cricoid cartilage website – part of the larynx made up of a ring of cartilage with a broad posterior area along with a thinner anterior location; attached into the oesophagus.
anterior longitudinal ligament – ligament that runs the size from the vertebral column, uniting the anterior elements of the vertebral bodies.