conus


conus
1. [TA] SYN: cone. 2. Posterior staphyloma in myopic choroidopathy. [L. fr. G. konos, cone]
- c. arteriosus [TA] the left or anterosuperior, smooth-walled portion of the cavity of the right ventricle of the heart, which begins at the supraventricular crest and terminates in the pulmonary trunk. SYN: arterial cone, infundibulum (4), pulmonary cone, pulmonary c..
- congenital c. SYN: Fuchs coloboma.
- distraction c. a c. in which the optic nerve passes through the scleral canal in a markedly oblique direction.
- c. elasticus [TA] thicker lower portion of the elastic membrane of the larynx, extending between the cricoid cartilage and the vocal ligaments, the latter actually being a thickening of the free, superior margin of the c. elasticus; SYN: cricovocal membrane, elastic cone.
- coni epididymidis lobules of epididymis, under lobule.
- c. medullaris [TA] the tapering lower extremity of the spinal cord. SYN: medullary cone [TA].
- myopic c. SYN: myopic crescent.
- pulmonary c. SYN: c. arteriosus.
- supertraction c. a reddish yellow c. or ring at the nasal margin of the optic disk, produced by displacement of the retinal pigment epithelium and lamina vitrea of the choroid; occurs in high myopia.
- coni vasculosi SYN: lobules of epididymis, under lobule.

* * *

co·nus 'kō-nəs n
1) cap a very large genus (the type of the family Conidae) of tropical marine snails comprising the cones and including many harmless forms and a few chiefly in the southwest Pacific that are highly dangerous because they are capable of biting with the radula and injecting a paralytic venom that has been known to cause death in humans
2) pl co·ni -.nī, -(.)nē CONUS ARTERIOSUS

* * *

Co·nus (koґnəs) a genus of marine snails (cones) of the family Conidae. C. geograґphicus (the geographic cone) and C. textiґle (the textile cone) are carnivorous species that live in tropical oceans and kill fish by punching a hole with a proboscis and injecting poison; occasionally humans have been killed in the same manner.

Medical dictionary. 2011.

Look at other dictionaries:

  • CONUS — apud Solin. c. 36. ubi de phoenice: Apud eosdem nascitur phoenix avis, aquilae magnitudine, capite honoratô in conum plumis exstantibus etc. idem quod apex. Proprie autem apex est galeae, seu im medio galeae pars eminens e ferro vel aere, quae ad …   Hofmann J. Lexicon universale

  • conus — 1885, from L. conus cone (see CONE (Cf. cone)) …   Etymology dictionary

  • Conus — Co nus, n. [L., a cone.] 1. A cone. [1913 Webster] 2. (Zo[ o]l.) A Linnean genus of mollusks having a conical shell. See {Cone}, n., 4. [1913 Webster] …   The Collaborative International Dictionary of English

  • Conus — (lat.), 1) Kegel; 2) (Petref., Kegelschnecke), fossil kommen die C arten schon im Oolithen u. Kreidegebirge vor, häufig treten sie in den tertiären Schichten auf. Arten: C. cylindraceus, Schale fast cylindrisch, mit niedrigem Gewinde; im… …   Pierer's Universal-Lexikon

  • Conus [1] — Conus (lat., »Kegel«), in der Botanik soviel wie Zapfen, der Blüten und Fruchtstand der meisten Nadelhölzer (s. Koniferen) …   Meyers Großes Konversations-Lexikon

  • Conus [2] — Conus, s. Kegelschnecke …   Meyers Großes Konversations-Lexikon

  • Conus — (lat., d.i. Kegel), kegelförmiger Frucht oder Blütenstand, wie bei den Nadelhölzern, meist Zapfen genannt. – Auch eine Gattg. der Kegelschnecken (s.d.) …   Kleines Konversations-Lexikon

  • Conus — Conus, lat., Kegel …   Herders Conversations-Lexikon

  • conus — CÓNUS s.m. (zool.) Gasteropod marin cu cochilia convolută, conică. [< it. cono, cf. gr. konos – con]. Trimis de LauraGellner, 18.01.2005. Sursa: DN …   Dicționar Român

  • Conus — Para otros usos de este término, véase cono.   Caracoles cono …   Wikipedia Español

  • Conus — This article is about the genus of snails. For other uses, see Conus (disambiguation). Cucullus redirects here. This may also refer to part of the clasper in male insect genitalia. Cone snails Temporal range: Eocene–Recent …   Wikipedia


Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.