autonomic nerve
51endocrine 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… …
52Parasympathetic nervous system — The parasympathetic nervous system (PSNS) is a division of the autonomic nervous system (ANS), along with the sympathetic nervous system (SNS) and enteric nervous system (ENS or bowels NS ). The ANS is a subdivision of the peripheral nervous… …
53Neuroendocrine cell — Neuroendocrine cells (neurosecretory cells) are cells that receive neuronal input (neurotransmitters released by nerve cells) and, as a consequence of this input, release message molecules (hormones) to the blood. In this way they bring about an… …
54preganglionic — Situated proximal to or preceding a ganglion; referring specifically to the p. motor neurons of the autonomic nervous system (located in the spinal cord and brainstem) and the p., myelinated nerve fibers by which they are connected to the… …
55respiration, human — ▪ physiology Introduction the process by which oxygen is taken up and carbon dioxide discharged. The design of the respiratory system The human gas exchanging organ, the lung, is located in the thorax, where its delicate tissues are… …
56reproductive system, human — Organ system by which humans reproduce. In females, the ovaries sit near the openings of the fallopian tubes, which carry eggs from the ovaries to the uterus. The cervix extends from the lower end of the uterus into the vagina, whose opening, as… …
57Adrenal medulla — Medulla labeled at bottom right. Gray s subject #277 1280 Ar …
58C-peptide — chembox new ImageFile=C Peptide.svg ImageSize=275px IUPACName= OtherNames= Reference= [ [http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=16132309 C Peptide Compound Summary] , PubChem.] Section1=Chembox Identifiers CASNo=59112 80 0… …
59postganglionic — Distal to or beyond a ganglion; referring to the unmyelinated nerve fibers originating from cells in an autonomic ganglion. SYN: neurofibrae postganglionicae. * * * post·gan·gli·on·ic .pōst .gaŋ glē än ik adj distal to a ganglion specif of,… …
60neurofibrae autonomicae — [TA] autonomic nerve fibers: nerve fibers that innervate smooth muscle, cardiac muscle, and glandular epithelium. They either stimulate and activate the muscle or tissue (autonomic efferent fibers) or receive sensory impulses from them (autonomic …
