AskDefine | Define fissure

Dictionary Definition



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



  • /ˈfɪ.ʃɚ/


  1. a crack or opening, as in a rock





fissure f
  1. fissure

Verb form

  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.


Various types of anatomical fissure are:





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
Privacy Policy, About Us, Terms and Conditions, Contact Us
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2
Material from Wikipedia, Wiktionary, Dict
Valid HTML 4.01 Strict, Valid CSS Level 2.1