fissure
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Related to Interhemispheric fissure: Sylvian fissure, falx cerebri, Longitudinal cerebral fissure, Lateral fissure
fis·sure
(fĭsh′ər)n.
1. A long narrow opening; a crack or cleft.
2. The process of splitting or separating; division.
3. A separation into subgroups or factions; a schism.
4. Anatomy A normal groove or furrow, as in the liver or brain, that divides an organ into lobes or parts.
5. Medicine A break in the skin, usually where it joins a mucous membrane, producing a cracklike sore or ulcer.
intr. & tr.v. fis·sured, fis·sur·ing, fis·sures
To form a crack or cleft or cause a crack or cleft in.
[Middle English, cut, from Old French, from Latin fissūra, from fissus, split; see fissi-.]
fissure
(ˈfɪʃə)n
1. any long narrow cleft or crack, esp in a rock
2. a weakness or flaw indicating impending disruption or discord: fissures in a decaying empire.
3. (Anatomy) anatomy a narrow split or groove that divides an organ such as the brain, lung, or liver into lobes. See also sulcus
4. (Medicine) a small unnatural crack in the skin or mucous membrane, as between the toes or at the anus
5. (Dentistry) a minute crack in the surface of a tooth, caused by imperfect joining of enamel during development
vb
to crack or split apart
[C14: from medical Latin fissūra, from Latin fissus split]
fis•sure
(ˈfɪʃ ər)n., v. -sured, -sur•ing. n.
1. a narrow opening produced by cleavage or separation of parts.
3. a natural division or groove in an anatomical organ, as in the brain.
v.t. 4. to make fissures in; cleave; split.
v.i. 5. to open in fissures; become split.
fis′su•ral, adj.
fis′sure•less, adj.
fis·sure
(fĭsh′ər) A long, narrow crack or opening in the face of a rock. Fissures are often filled with minerals of a different type from those in the surrounding rock.
fissure
Past participle: fissured
Gerund: fissuring
Imperative |
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fissure |
fissure |
fissure
A split or groove.
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Noun | 1. | ![]() imprint, impression, depression - a concavity in a surface produced by pressing; "he left the impression of his fingers in the soft mud" |
2. | ![]() chap - a crack in a lip caused usually by cold chink - a narrow opening as e.g. between planks in a wall crevasse - a deep fissure fatigue crack - a crack in metal resulting from metal fatigue faulting, geological fault, fracture, break, fault, shift - (geology) a crack in the earth's crust resulting from the displacement of one side with respect to the other; "they built it right over a geological fault"; "he studied the faulting of the earth's crust" opening, gap - an open or empty space in or between things; "there was a small opening between the trees"; "the explosion made a gap in the wall" rift - a narrow fissure in rock slit - a narrow fissure split - a lengthwise crack in wood; "he inserted the wedge into a split in the log" | |
3. | fissure - (anatomy) a long narrow slit or groove that divides an organ into lobes sulcus - (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain hilum, hilus - (anatomy) a depression or fissure where vessels or nerves or ducts enter a bodily organ; "the hilus of the kidney" anatomy, general anatomy - the branch of morphology that deals with the structure of animals | |
Verb | 1. | fissure - break into fissures or fine cracks crack - cause to become cracked; "heat and light cracked the back of the leather chair" |
fissure
fissure
noun1. A usually narrow partial opening caused by splitting and rupture:
2. An interruption in friendly relations:
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