5 Simple Techniques For human anatomy and physiology definition

Catabolism is the method by which greater a lot more complex substances are broken down into scaled-down easier molecules. Catabolism releases energy. The advanced molecules found in foods are damaged down so the body can use their elements to assemble the structures and substances needed for life.

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dense body – sarcoplasmic framework that attaches to your sarcolemma and shortens the muscle mass as slim filaments slide earlier thick filaments.

Progress also includes the procedures of development and mend, both equally of which entail mobile differentiation.

amacrine cell – type of mobile from the retina that connects towards the bipolar cells near the outer synaptic layer and supplies The premise for early impression processing in the retina.

central sulcus – surface area landmark of the cerebral cortex that marks the boundary concerning the frontal and parietal lobes.

arrector pili – sleek muscle mass that is definitely activated in reaction to exterior stimuli that pull on hair follicles and make the hair “arise”.

Bachmann’s bundle – (also, interatrial band) group of specialised conducting cells that transmit the impulse directly from the SA node in the correct atrium towards here the left atrium.

anchoring junction – mechanically attaches adjacent cells to one another or to the basement membrane.

bronchial artery – systemic branch within the aorta that gives oxygenated blood to the lungs Along with the pulmonary circuit.

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costal aspect – internet site within the lateral sides of the thoracic vertebra for articulation with the head of the rib.

coronal suture – joint that unites the frontal bone to the correct and left parietal bones through the major of your skull.

coracohumeral ligament – intrinsic ligament from the shoulder joint; runs within the coracoid technique of the scapula to your anterior humerus.