- imperforate
- SYN: atretic.
* * *
im·per·fo·rate (')im-'pər-f(ə-)rət, -fə-.rāt adj having no opening or aperture specif lacking the usual or normal opening <an \imperforate hymen> <an \imperforate anus>* * *
adj.lacking an opening. Occasionally girls at puberty are found to have an imperforate hymen (a fold of membrane close to the vaginal orifice), which impedes the flow of menstrual blood.* * *
im·per·fo·rate (im-purґfə-rāt) [L. imperforatus] not open; abnormally closed, as imperforate anus.
Medical dictionary. 2011.
См. также в других словарях:
imperforate — [im pʉr′fə rit, im pʉr′fərāt΄] adj. [< IN 2 + PERFORATE] 1. having no holes or openings; unpierced 2. having a straight edge without perforations: said of a postage stamp, etc. 3. Anat. lacking the normal opening: Also imperforated n … English World dictionary
Imperforate — Im*per fo*rate, Imperforated Im*per fo*ra ted, a. [L. pref. im not + perforatus, p. p. of perforate to perforate. See {Perforate}.] Not perforated; having no opening or aperture. Sir J. Banks. [1913 Webster] … The Collaborative International Dictionary of English
imperforate — index impervious Burton s Legal Thesaurus. William C. Burton. 2006 … Law dictionary
imperforate — (adj.) 1670s, from IM (Cf. im ) + PERFORATE (Cf. perforate) (adj.) … Etymology dictionary
imperforate — imperforation, n. /im perr feuhr it, feuh rayt /, adj. 1. Also, imperforated. not perforate; having no perforation. 2. Philately. (of a number of stamps joined together) lacking the perforations usually separating individual stamps. n. 3. an… … Universalium
imperforate — adj. lacking an opening. Occasionally girls at puberty are found to have an imperforate hymen (a fold of membrane close to the vaginal orifice), which impedes the flow of menstrual blood … The new mediacal dictionary
imperforate — /ɪmˈpɜfəreɪt/ (say im perfuhrayt), / rət/ (say ruht) adjective 1. Also, imperforated. not perforate; having no perforation. 2. Philately having no perforations or cuts to separate the individual stamps readily. –noun 3. an imperforate stamp.… … Australian-English dictionary
imperforate — adjective Date: 1673 1. having no opening or aperture; specifically lacking the usual or normal opening 2. of a stamp or a sheet of stamps lacking perforations or roulettes … New Collegiate Dictionary
imperforate — not pierced … Dictionary of ichthyology
imperforate — adj. [L. in, not; perforatus, to bore through] 1. Not perforated; lacking an opening or aperture. 2. (MOLLUSCA: Gastropoda) see anomphalous … Dictionary of invertebrate zoology