5 Simple Techniques For human anatomy and physiology definition
5 Simple Techniques For human anatomy and physiology definition
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circadian rhythm – interior perception on the day-to-day cycle of light and darkish depending on retinal action connected with sunlight.
amino acid – a protein’s monomer; provides a central carbon or alpha carbon to which an amino team, a carboxyl team, a hydrogen, and an R group or aspect chain is hooked up; the R group differs for all twenty typical amino acids.
atrioventricular bundle branches – (also, still left or ideal bundle branches) specialised myocardial conductile cells that crop up in the bifurcation on the atrioventricular bundle and pass through the interventricular septum; result in the Purkinje fibres and also to the ideal papillary muscle by way of the moderator band.
atmospheric force – volume of pressure which is exerted by gases from the air bordering any presented surface area.
chordae tendineae – string-like extensions of challenging connective tissue that stretch from the flaps in the atrioventricular valves for the papillary muscles.
coeliac trunk – (also, coeliac artery) key branch from the abdominal aorta; gives rise for the still left gastric artery, the splenic artery, plus the prevalent hepatic artery that varieties the hepatic artery on the liver, the ideal gastric artery on the stomach, as well as cystic artery into the gall bladder.
anatomical place – conventional reference position utilized for describing places and Instructions over the human body.
basal nuclei – nuclei with the cerebrum (with a couple components during the upper brain stem and diencephalon) which might be accountable for assessing cortical movement instructions and comparing them with the final read more state of the person by means of wide modulatory activity of dopamine neurons; mostly related to motor capabilities, as evidenced through the signs and symptoms of Parkinson’s and Huntington’s health conditions.
bronchial tree – collective identify for your a number of branches on the bronchi and bronchioles in the respiratory system.
artificial pacemaker – health-related gadget that transmits electrical indicators into the heart making sure that it contracts and pumps blood into the body.
colloid – viscous fluid in the central cavity of thyroid follicles, containing the glycoprotein thyroglobulin.
bedsore – sore on the pores and skin that develops when locations of your body start out here necrotising due to consistent strain and insufficient blood provide; also referred to as decubitis ulcers.
ball-and-socket joint – synovial joint formed amongst the spherical conclude of one bone (the ball) that matches into the despair of a 2nd bone (the socket); found on the hip and shoulder joints; functionally categorized for a multiaxial joint.
carbonic anhydrase (CA) – enzyme that catalyses the reaction that causes carbon dioxide and water to kind carbonic acid.