A Simple Key For human anatomy & physiology Unveiled

cytoplasm – interior material involving the mobile membrane and nucleus of a cell, mostly consisting of a drinking water-based mostly fluid identified as cytosol, in just which can be all the opposite organelles and mobile solute and suspended products.

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dense body – sarcoplasmic framework that attaches towards the sarcolemma and shortens the muscle mass as thin filaments slide past thick filaments.

common iliac vein – one of a pair of veins that flows into your inferior vena cava at the level of L5; the still left typical iliac vein drains the sacral location; divides into external and interior iliac veins near the inferior portion of the sacroiliac joint

channel protein – membrane-spanning protein that has an inner pore which makes it possible for the passage of one or more substances.

Brodmann’s spots – mapping of locations of the cerebral cortex based upon microscopic anatomy that relates certain places to functional variations, as described by Brodmann within the early 1900s.

calyces – cup-like constructions getting urine with the accumulating ducts in which it passes on to your renal pelvis and ureter.

bicipital groove – intertubercular groove; slender groove located involving the increased and lesser tubercles of the humerus.

clavicular notch – paired notches Situated within the exceptional-lateral sides of your sternal manubrium, for articulation While using the clavicle.

The 3rd basic operate from the skeleton is the fact that of movement. The great majority in the skeletal muscles are firmly anchored towards the skeleton, usually to a minimum of two bones and occasionally to a lot of bones.

axon phase – solitary stretch on the read more axon insulated by myelin and bounded by nodes of Ranvier at possibly conclude (aside from the first, which can be once the First phase, and the final, which happens to be accompanied by the axon website terminal).

cardiac plexus – paired sophisticated community of nerve fibres close to the foundation from the heart that get sympathetic and parasympathetic stimulations to control HR.

clavicle – collarbone; elongated bone that articulates Along with the manubrium of the sternum medially along with the acromion from the scapula laterally.

cytokinesis – closing phase in mobile division, where by the cytoplasm divides to sort two separate daughter cells.

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