| nodus rectalis medius | A lymph node along the middle rectal artery that receives afferents from the pararectal nodes and sends efferents to the internal iliac nodes. Synonym: middle rectal node, nodus rectalis medius. (05 Mar 2000) |
|---|---|
| nodus sinuatrialis | sinoatrial node |
| nodus sinuatrialis echo | A postectopic sinus beat occurring earlier than would be expected from the preceding sinus node discharge interval; i.e., the interval following a premature beat of supraventricular origin is less than the ordinary cycle length between sinus beats, whereas ordinarily the interval would be expected to exceed cycle length. (05 Mar 2000) |
| nodus suprapyloricus | A lymph node located above the pylorus. Synonym: nodus suprapyloricus, suprapyloric node. (05 Mar 2000) |
| nodus tibialis anterior | A small inconstant lymph node in front of the interosseous membrane along the upper part of the anterior tibial vessels. Synonym: nodus tibialis anterior, anterior tibial node. (05 Mar 2000) |
| nodus tibialis posterior | A small inconstant lymph node located along the course of the posterior tibial artery. Synonym: nodus tibialis posterior, posterior tibial node. (05 Mar 2000) |
| NOE | <abbreviation> Nuclear Overhauser effect. (05 Mar 2000) |
| noematachograph | An instrument for determining and registering the duration of more or less complex operations of the mind. Origin: Gr. The understanding + swiftness + -graph. Source: Websters Dictionary (01 Mar 1998) |
| noematic | Rarely used term relating to the mental processes. Synonym: noetic. Origin: G. Noema, perception, a thought (05 Mar 2000) |
| noesis | Cognition, especially through direct and self-evident knowledge. Origin: G. Noesis, thought, intelligence (05 Mar 2000) |
| noetic | Rarely used term relating to the mental processes. Synonym: noetic. Origin: G. Noema, perception, a thought (05 Mar 2000) |
| noetic anxiety | In existential psychotherapy, anxiety caused by confusion or loss of meaning in life. (05 Mar 2000) |
| noeud vital | A circumscript region in the lower part of the medulla oblongata, near the apex of the calamus scriptorius, interpreted by M. Flourens (1858) as a nerve centre controlling respiration. Synonym: vital knot, vital node. Origin: Fr. (05 Mar 2000) |
| nog | 1. A wooden block, of the size of a brick, built into a wall, as a hold for the nails of woodwork. 2. One of the square logs of wood used in a pile to support the roof of a mine. 3. A treenail to fasten the shores. Origin: Etymol. Uncertain. 1. To fill in, as between scantling, with brickwork. 2. To fasten, as shores, with treenails. Origin: From Nog. Source: Websters Dictionary (01 Mar 1998) |
| nogalamycin | <chemical> An antineoplastic agent from a streptomyces nogalater variant. It is a cytolytic antibiotic that inhibits DNA-dependent RNA synthesis by binding to DNA and has some antibacterial action. Pharmacological action: antibiotics, anthracycline, intercalating agents, nucleic acid synthesis inhibitors. Chemical name: 2,6-Epoxy-2H-naphthaceno(1,2-b)oxocin-14-carboxylic acid, 11-((6-deoxy-3-C-methyl-2,3,4-tri-O-methyl-alpha-L-mannopyranosyl)oxy)-4-(dimethylamino)-3,4,5,6,9,11,12,13,14,16-decahydro-3,5,8,10,13-pentahydroxy-6,13-dimethyl-9,16-dioxo-, methyl ester, (2R-(2alpha,3beta,4alpha,5beta,6alpha,11beta,13alpha,14alpha))- (12 Dec 1998) |