involuntary nervous system
21autonomic nervous system — au′tonom′ic nerv′ous sys tem n. anat. the system of nerves and ganglia that innervates the blood vessels, heart, smooth muscles, viscera, and glands and controls their involuntary functions and consists of sympathetic and parasympathetic portions …
22Involuntary muscle — Involuntary muscles are smooth, uni nucleated, non branching muscles that are not directly controllable at will. These muscles are not as free as the voluntary muscles such as those in the arms, legs, fingers, toes etc.Cardiac muscle: a type of… …
23Involuntary — Done other than in accordance with the conscious will of the individual. The opposite of voluntary. The terms voluntary and involuntary apply to the human nervous system and its control over muscles. The nervous system is divided into two parts… …
24system — 1. [TA] A consistent and complex whole made up of correlated and semiindependent parts. A complex of functionally related anatomic structures. 2. The entire organism seen as a complex organization of parts. 3. Any complex of structures… …
25renal system — ▪ anatomy Introduction in humans (human body), organ system that includes the kidneys, where urine is produced, and the ureters, bladder, and urethra for the passage, storage, and voiding of urine. In many respects the human excretory, or… …
26endocrine system, human — ▪ anatomy Introduction group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …
27Muscular system — Latin = systema musculare Muscles anterior labeled …
28digestive system, human — Introduction the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract (alimentary canal), or the series of structures and organs through which food and liquids pass… …
29autonomicnervous system — autonomic nervous system n. The part of the vertebrate nervous system that regulates involuntary action, as of the intestines, heart, and glands, and that is divided into the sympathetic nervous system and the parasympathetic nervous system. * *… …
30renal system disease — Introduction any of the diseases or disorders that affect the human excretory system. They include benign and malignant tumours, infections and inflammations, and obstruction by calculi. Diseases can have an impact on the elimination of… …
