Crenation
Crenation Cre*na"tion (kr?-n?"sh?n), n. 1. (Bot.) A rounded tooth on the edge of a leaf. [1913 Webster]

2. The condition of being crenate. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Crenation — is the contraction of a cell after exposure to a hypertonic solution, due to the loss of water through osmosis. The word is from the Latin crenatus meaning scalloped or notched, and is named for the scalloped edged shape the cells take on when… …   Wikipedia

  • crenation — [kri nā′shən] n. 1. the condition of being crenate 2. a crenate formation; specif., a) a CRENATURE (sense 1) b) the shrunken, notched appearance of a red blood cell, as when exposed to extremely salty solutions …   English World dictionary

  • crenation — The process of becoming, or state of being, crenated. * * * cre·na·tion kri nā shən n shrinkage of red blood cells resulting in crenated margins * * * n. an abnormal appearance of red blood cells seen under a microscope, in which the normally… …   Medical dictionary

  • crenation — n. an abnormal appearance of red blood cells seen under a microscope, in which the normally smooth cell margins appear crinkly or irregular. Crenation may be a feature of certain blood disorders, but most commonly occurs as a result of prolonged… …   The new mediacal dictionary

  • crenation — noun Date: 1846 1. a. a crenate formation; especially one of the rounded projections on an edge (as of a coin) b. the quality or state of being crenate 2. shrinkage of red blood cells resulting in crenate margins …   New Collegiate Dictionary

  • crenation — n. [L. crena, notch] 1. One of a series of rounded projections forming the edge of an object or structure. 2. (NEMATA) Used to describe the outer lines of the lateral field …   Dictionary of invertebrate zoology

  • crenation — Distortion of the erythrocyte membrane giving a spiky, echinocyte, morphology. Results from ATP depletion or an excess of lipid species in the external lipid layer of the membrane …   Dictionary of molecular biology

  • crenation — /kri nay sheuhn/, n. 1. a rounded projection or tooth, as on the margin of a leaf. 2. Anat. (in erythrocytes) the state of being or becoming shrunken with a notched or indented edge. 3. a notch between teeth. [1840 50; CRENATE + ION] * * * …   Universalium

  • crenation — noun The contraction of, or formation of abnormal notchings around, the edges of a cell after exposure to a hypertonic solution, due to the loss of water through osmosis, especially noticeable in red blood cells …   Wiktionary

  • crenation — cre·na·tion || kriː neɪʃn n. series of notches on the outer edges of a leaf or shell …   English contemporary dictionary

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