AskDefine | Define fissure

Dictionary Definition

fissure

Noun

1 a long narrow depression in a surface [syn: crevice, cranny, crack, chap]
2 a long narrow opening [syn: crack, cleft, crevice, scissure]
3 (anatomy) a long narrow slit or groove that divides an organ into lobes v : break into fissures or fine cracks

User Contributed Dictionary

English

Pronunciation

  • /ˈfɪ.ʃɚ/

Noun

  1. a crack or opening, as in a rock

Translations

French

Pronunciation

Noun

fissure f
  1. fissure

Verb form

fissure
  1. first-, third-person singular indicative present of fissurer
  2. first-, third-person singular subjunctive present of fissurer
  3. second-person singular imperative of fissurer

Extensive Definition

In anatomy, fissure (Latin fissura, Plural fissurae) is a groove, natural division, deep furrow, cleft, or tear in various parts of the body.

Anatomy

Various types of anatomical fissure are:

Brain

Skull

Liver

Other

Abnormal fissure

Fissure can also mean unnatural tract or ulcer, most commonly found in the anus. One of the most common types of fissure is anal fissure.

Other fissures

  • Fissure vent: a volcanic vent that does not include explosive activity.
fissure in German: Fissur
fissure in Spanish: Fisura
fissure in Dutch: Fissuur

Synonyms, Antonyms and Related Words

abysm, abyss, amputate, arachnoid, arbor vitae, archipallium, arroyo, ax, between brain, bisect, box canyon, brain stem, breach, break, break open, break up, breakage, broach, burst, bust, butcher, caesura, canyon, carve, cavity, cerebellar hemispheres, cerebellum, cerebral cortex, cerebrospinal fluid, cerebrum, cessation, chap, chasm, check, chimney, chink, chip, chop, cleave, cleft, cleuch, clough, col, come apart, come unstuck, convolution, corpus callosum, corpus striatum, coulee, couloir, crack, cranny, crevasse, crevice, cut, cut away, cut in two, cut off, cut open, cwm, defile, dell, dichotomize, diencephalon, dike, disintegrate, dispart, dissever, ditch, divaricate, divide, donga, draw, dura mater, endbrain, excavation, excise, exfoliate, fall to pieces, fault, flaw, flume, fly open, folia, forebrain, fornix, fracture, frontal lobe, furrow, gap, gape, gash, give away, give way, glial cells, globus pallidus, gorge, gray matter, groove, gulch, gulf, gully, gyrus, hack, halve, hew, hiatus, hindbrain, hippocampus, hole, hypothalamus, incise, incision, interim, intermission, interruption, interval, jigsaw, joint, kloof, lacuna, lance, lay open, leak, lenticular nucleus, letup, limbic lobe, little brain, lobe, lull, mantle, medulla oblongata, meninges, mesencephalon, metencephalon, midbrain, moat, myelencephalon, neopallium, notch, nullah, occipital lobe, ope, open, open up, opening, optic chiasm, pallium, pare, parietal lobe, part, pass, passage, pause, pia mater, pineal body, pituitary body, pons, prune, ravine, rend, rent, reticular system, rhombencephalon, rift, rime, rip, rive, rupture, saw, scale, schism, scissor, scissure, seam, separate, sever, slash, slice, slit, slot, snap, snip, splinter, split, spread, spread out, spring a leak, spring open, start, subthalamus, sunder, suspension, swing open, tap, tear, tear open, telencephalon, temporal lobe, thalamus, throw open, trench, valley, ventricle, vermis, void, wadi, white matter, whittle
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