Definition of Crenation

1. Noun. One of a series of rounded projections (or the notches between them) formed by curves along an edge (as the edge of a leaf or piece of cloth or the margin of a shell or a shriveled red blood cell observed in a hypertonic solution etc.).

Exact synonyms: Crenature, Crenel, Crenelle, Scallop
Generic synonyms: Curve, Curved Shape
Derivative terms: Scallop, Scallop

Definition of Crenation

1. n. A rounded tooth on the edge of a leaf.

Definition of Crenation

1. 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. ¹

¹ Source: wiktionary.com

Definition of Crenation

1. [n -S]

Medical Definition of Crenation

1. 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. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Crenation

crena ani
crena clunium
crena cordis
crenarchaea
crenarchaeal
crenarchaeon
crenarchaeota
crenarchaeotal
crenarchaeote
crenas
crenate
crenate leaf
crenated
crenately
crenates
crenation (current term)
crenations
crenature
crenatures
crenel
crenelate
crenelated
crenelated molding
crenelated moldings
crenelates
crenelating
crenelation
crenelations
creneled
creneling

Literary usage of Crenation

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Guide to the clinical examination of the blood for diagnostic purposes by Richard Clarke Cabot (1901)
"What we know as crenation in the corpuscles is probably the same sort of process which, occurring within the vessels, we call poikilocytosis. ..."

2. Experimental Pharmacology by Hugh McGuigan (1919)
"crenation.—This is the opposite of laking. Add 5 per cent. of NaCl to the blood and examine under the microscope. Experiment VI. ..."

3. Outlines of Practical Histology by William Rutherford (1876)
"crenation of the Corpuscles.—Allow a drop of the same blood to remain exposed to the air for twenty seconds or so before applying the cover-glass in order ..."

4. Clinical Hematology: A Practical Guide to the Examination of the Blood with by John C. DaCosta (1901)
"But it is unlike crenation for the reason that poikilocytosis is a pathological condition, and demonstrable the moment the blood is withdrawn from the body ..."

5. Monographic Medicine by Albion Walter Hewlett, Henry Leopold Elsner (1916)
"To avoid evaporation and crenation, when it is desired to keep a fresh specimen for ... One must take care not to mistake crenation, and other artefacts, ..."

6. A Laboratory Guide for Histology: Laboratory Outlines for the Study of by Irving Hardesty, Adelebert Watts Lee (1908)
"What is the cause of the crenation ? The crenation illustrates a ... In a corpuscle which has not undergone crenation, note the enlargement of the central ..."

7. A Text-book of clinical diagnosis by laboratory methods: For the Use of by Leonard Napoleon Boston (1905)
"crenation is produced by a portion of the cell becoming looped and one or more points projecting from it (serrated margin). ..."

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