human anatomy organs for Dummies

human anatomy organs for Dummies

Blog Article

Catabolism is the method by which more substantial much more complex substances are damaged down into more compact less difficult molecules. Catabolism releases Vitality. The intricate molecules present in foods are broken down Therefore the body can use their parts to assemble the buildings and substances desired for all times.

arcuate line of the ilium – easy ridge Situated at the inferior margin with the iliac fossa; types the lateral part of the pelvic brim.

coronary arteries – branches from the ascending aorta that provide blood towards the heart; the left coronary artery feeds the still left aspect in the heart, the remaining atrium and ventricle, as well as interventricular septum; the right coronary artery feeds the appropriate atrium, portions of both equally ventricles, and the heart conduction method.

biogenic amine – course of neurotransmitters that are enzymatically derived from amino acids but no more consist of a carboxyl group.

chordae tendineae – string-like extensions of hard connective tissue that extend in the flaps on the atrioventricular valves to the papillary muscles.

anterior cavity – larger body cavity Positioned anterior into the posterior (dorsal) body cavity; incorporates the serous membrane-lined pleural cavities for the lungs, pericardial cavity for the heart, and peritoneal cavity for your abdominal and pelvic organs; also known as ventral cavity.

anatomical place – standard reference placement employed for describing destinations and directions to the human body.

brachial here artery – continuation of your axillary artery while in the brachium; materials blood to A great deal of the brachial location; presents off a number of smaller sized branches that deliver blood on the posterior area from the arm during the region from the elbow; bifurcates to the radial and ulnar arteries within the coronoid fossa.

The body’s largest organ program would be the integumentary technique, which includes the skin and its linked buildings, including hair and nails. The surface area tissue of skin is really a barrier that guards check here interior constructions and fluids from likely dangerous microorganisms and various toxins.

dihydroxyvitamin D – Energetic type of vitamin D needed because of the intestinal epithelial cells with the absorption of calcium.

anulus fibrosus – difficult, fibrous outer portion of an intervertebral disc, which can be strongly anchored on the bodies with the adjacent vertebrae.

cardiac reflexes – series of autonomic reflexes that permit the cardiovascular centres to control heart purpose based mostly upon sensory info from various visceral sensors.

alkaloid – material, usually from a plant source, that is certainly chemically standard with regard to pH and may stimulate bitter receptors.

corona radiata – in an oocyte, a layer of granulosa cells that surrounds the oocyte Which need to be penetrated by sperm right before fertilisation can take place.