| osmotic nephrosis | Swelling of renal tubular epithelium associated with glomerular filtration of sugars and dextrose; the swelling is due to formation of cytoplasmic vesicles by pinocytosis, and is reversible, probably with no dysfunction, when produced by glucose or mannitol. (05 Mar 2000) |
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| osmotic pressure | See: osmosis. The pressure required to prevent osmotic flow across a semi permeable membrane separating two solutions of different solute concentration. Equal to the pressure that can be set up by osmotic flow in this system. (18 Nov 1997) |
| osmotic shock | Passage of solvent into a membrane bound structure due to osmosis, causing rupture of the membrane. A method of lysing cells or organelles. (18 Nov 1997) |
| osmotolerance | The measure of a plant's capability to withstand drought or to thrive in large amounts of salt in its water supply. (14 Nov 1997) |
| osmund | <botany> A fern of the genus Osmunda, or flowering fern. The most remarkable species is the osmund royal, or royal fern (Osmunda regalis), which grows in wet or boggy places, and has large bipinnate fronds, often with a panicle of capsules at the top. The rootstock contains much starch, and has been used in stiffening linen. Source: Websters Dictionary (01 Mar 1998) |
| oso-berry | <botany> The small, blueblack, drupelike fruit of the Nuttallia cerasiformis, a shrub of Oregon and California, belonging to the Cherry tribe of Rosaceae. Source: Websters Dictionary (01 Mar 1998) |
| osphradium | Origin: NL, fr. Gr. Strong scent, fr. To smell. <zoology> The olfactory organ of some Mollusca. It is connected with the organ of respiration. Source: Websters Dictionary (01 Mar 1998) |
| osphresio- | Odour; sense of smell. Origin: G. Osphresis, smell (05 Mar 2000) |
| osphresiolagnia | Sexual excitement produced by odours. Origin: osphresio-+ G. Lagneia, lust (05 Mar 2000) |
| osphresiologic | Relating to osphresiology. (05 Mar 2000) |
| osphresiology | Synonym: osmology. Origin: osphresio-+ G. Logos, study (05 Mar 2000) |
| osphresiophilia | An unusual interest in odours. Origin: osphresio-+ G. Phileo, to love (05 Mar 2000) |
| osphresiophobia | Synonym: olfactophobia. Origin: osphresio-+ G. Phobos, fear (05 Mar 2000) |
| osphresis | Synonym: olfaction. Origin: G. Osphresis, smell (05 Mar 2000) |
| osphretic | <physiology> Of, pertaining to, or connected with, the sense of smell; as, the olfactory nerves; the olfactory cells. <anatomy> Olfactory organ, an organ for smelling. In vertebrates the olfactory organs are more or less complicated sacs, situated in the front part of the head and lined with epithelium innervated by the olfactory (or first cranial) nerves, and sensitive to odouriferous particles conveyed to it in the air or in water. Origin: L. Olfactus, p.p. Of olfacere to smell; olere to have a smell + facere = to make. See Odour, and Fact. Source: Websters Dictionary (01 Mar 1998) |