Lexic.us

Definition of Fissure

1. Noun. A long narrow depression in a surface.

2. Verb. Break into fissures or fine cracks.

3. Noun. A long narrow opening.

4. Noun. (anatomy) a long narrow slit or groove that divides an organ into lobes.

Definition of Fissure

1. n. A narrow opening, made by the parting of any substance; a cleft; as, the fissure of a rock.

2. v. t. To cleave; to divide; to crack or fracture.

Definition of Fissure

1. Noun. a crack or opening, as in a rock ¹

2. Verb. To split forming fissures. ¹

¹ Source: wiktionary.com

Definition of Fissure

1. to split [v -SURED, -SURING, -SURES] - See also: split

Medical Definition of Fissure

1. Any cleft or groove, normal or otherwise, especially a deep fold in the cerebral cortex which involves the entire thickness of the brain wall. Origin: L. Fissura This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Fissure

fissura pterygoidea fissura pterygomaxillaris fissura pterygopalatina fissura secunda cerebelli fissura sphenopetrosa fissura transversa cerebelli fissura transversa cerebri fissura tympanomastoidea fissura tympanosquamosa fissurae cerebelli

fissural fissural cyst fissuration fissurations fissure (current term) fissure bur fissure caries fissure for ligamentum teres fissure in ano fissure of Rolando

fissure of Sylvius fissure of ligamentum venosum fissure of round ligament of liver fissure of venous ligament fissure sealant fissure sign fissured fissured fracture

Literary usage of Fissure

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

1. Anatomy, Descriptive and Surgical by Henry Gray (1901)
"The parieto-occipital fissure is only seen to a slight extent on the ... The portion on the outer surface is called the external parieto-occipital fissure, ..."

2. Anatomy, Descriptive and Surgical: Descriptive and Surgical by Henry Gray (1897)
"Longitudinal fissure. Under surface of rostrum of corpus callosum and its ... The longitudinal fissure partially separates the two hemispheres from each ..."

3. Journal of Nervous and Mental Disease by Philadelphia Neurological Society, American Neurological Association, Chicago Neurological Society, New York Neurological Association (1886)
"The calcarine fissure extends to the extremity of the occipital lobe, communicating in front imperfectly as just stated, with the occipital, but completely ..."

4. Medical Lexicon: A Dictionary of Medical Science : Containing a Concise by Robley Dunglison (1868)
"fissure OF THE UE'LIX. A small vertical fissure of the helix of the ear, ... fissure OF ROLAN'DO. A transverse fissure placed between two superior cerebral ..."

5. Philadelphia Medical Times (1882)
"The first frontal fissure was quite long ; it was broken by a single bridge, ... The secondary fissure was well marked, so much so that it seemed almost to ..."

6. Journal of Nervous and Mental Disease by American Neurological Association, Philadelphia Neurological Society, Chicago Neurological Society, New York Neurological Association, Boston Society of Psychiatry and Neurology (1886)
"The calcarine fissure extends to the extremity of the occipital lobe, communicating in front imperfectly as just stated, with the occipital, but completely ..."

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