imperfect state |
In fungi, the state or stage at which only asexual spores such as conidia are formed; most such species are classified as Deuteromycetes (Fungi Imperfecti). (05 Mar 2000) |
|---|---|
imperforata |
<zoology> A division of Foraminifera, including those in which the shell is not porous. Origin: NL. See Imperforate. Source: Websters Dictionary (01 Mar 1998) |
imperforate |
<embryology> Having an abnormal closure or absence of a body opening or tubular organ (for example, a child born without an oesophagus would have an atretic birthdefect). (09 Oct 1997) |
imperforate anus |
<embryology, paediatrics> A congenital obstruction of the anal opening. Occurs in approximately 1 in 5,000 infants. This condition is corrected through surgery. (27 Sep 1997) |
imperforate hymen |
A hymen in which there is no opening, the membrane completely occluding the vagina. (05 Mar 2000) |
imperforation |
Condition of being atretic, occluded, or closed; indicated in compound words by the prefix atreto-or the suffix -atresia. Origin: L. Im-neg. + per-foro, pp. -atus, to bore through (05 Mar 2000) |
imperipinnate |
<botany> Pinnate with a single terminal leaflet. Origin: L. Impar unequal + E. Pinnate. Source: Websters Dictionary (01 Mar 1998) |
impermeable |
Not permeable; not permitting the passage of substances (e.g., liquids, gases) or heat through a membrane or other structure. Synonym: impervious. Origin: L. Im-permeabilis, not to be passed through (05 Mar 2000) |
impermeable cell junctions |
<cell biology> Specialised intercellular junction in which the two plasma membranes are separated by only 1-2nm. Found near the apical surface of cells in simple epithelia, forms a sealing gasket around the cell. Prevents fluid moving through the intercellular gap and the lateral diffusion of intrinsic membrane proteins between apical and baso lateral domains of the plasma membrane. (18 Nov 1997) |
impermeant |
Unable to pass through a particular semipermeable membrane. Origin: L. Im-, neg., + permano, to penetrate (05 Mar 2000) |
impersistence |
A transitory existence or occurrence, lasting only a short time. Origin: L. Im-, neg. + persisto, to persist Motor impersistence, inability to sustain a movement. (05 Mar 2000) |
impervious |
Not permeable; not permitting the passage of substances (e.g., liquids, gases) or heat through a membrane or other structure. Synonym: impervious. Origin: L. Im-permeabilis, not to be passed through (05 Mar 2000) |
impetiginization |
The occurrence of impetigo in an area of preexisting dermatosis. (05 Mar 2000) |
impetiginous |
Relating to impetigo. (05 Mar 2000) |
impetiginous cheilitis |
Pyoderma of the lips. (05 Mar 2000) |