Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A deep, narrow furrow or groove, as in an organ or tissue.
- n. Any of the narrow fissures separating adjacent convolutions of the brain.
Century Dictionary and Cyclopedia
- n. A furrow or groove; a more or less linear or narrow and shallow depression; specifically, in anatomy, a fissure between two gyri or convolutions of the surface of the brain: used with English or Latin context. See phrases under fissure, and cuts under brain, cerebral, and gyrus.
Wiktionary
- n. anatomy a furrow or groove in an organ or a tissue
- n. anatomy any of the grooves that mark the convolutions of the surface of the brain
- n. planetology subparallel grooves and ditches formed by geological processes
GNU Webster's 1913
- n. A furrow; a groove; a fissure.
WordNet 3.0
- n. (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain
Etymologies
- From Latin (Wiktionary)
- Latin. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“The superior temporal sulcus is involved in processing very basic behavioural actions, whereas the prefrontal cortex is involved in more complex functions such as processing how decisions affect others.”
“Moreover, each lateral wall exhibits a division into a dorsal or alar and a ventral or basal lamina separated internally by a furrow termed the sulcus of Monro.”
“She was later diagnosed with a rare condition, known as sulcus vocalis.”
“As in, "The transverse occipital sulcus intersects the intraparietal sulcus near the level of the parieto-occipital fissure" and "The Sahara is in Afghanistan, I think." ...”
“They identified three brain regions in which grey matter density was greatest in those with the most Facebook friends, but was not linked to the number of real-world friends they had: the superior temporal sulcus and the middle temporal gyrus, which have previously been associated with the ability to perceive social cues from facial expressions, and the entorhinal cortex, which is linked to memory for things like faces and names.”
The Guardian: Facebook friend tally is associated with differences in brain structure
“In her estimation, experts misinterpreted some of the intricate crevices and lumps on this brain cast, leading to the mistaken assumption that a feature called the lunate sulcus was in a position similar to ours, when the lunate sulcus was actually in a position more similar to nonhuman apes.”
“In one section, Ms. Falk declares: "Dart had mistakenly identified the lambdoid suture of the skull that had been imprinted on Taung's endocast as the lunate sulcus!”
“Yet this is starkly contradicted by a seminal study in 2000, in which Pascal Belin found that a region of the brain the upper bank of the superior temporal sulcus responds selectively to sounds made by humans, such as speech, laughs, cries and sighs, but not to environmental sounds or the sounds of nature.”
“The posterior cingulate cortex and superior temporal sulcus were larger in people who identified themselves as having many characteristics associated with agreeableness.”
“Fourth degree tear, sulcus tears inside, stitches opened up less than a week after the birth.”
Lists
These user-created lists contain the word ‘sulcus’.
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See cut under
A list of words with definitions directing us to "see cut under" (or "see cut at") another definition (with hilarity occasionally ensuing).
Compare compare-cut-under.spider, scorpion, spoonbill, spur, tooth, feather, gnat, beard, gyrate, astragal, jog, countercheck and 92 more...
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wallace
Remington, Windsor, prorector, wen, aver, mottle, seltzer, tepee, lapidary, effete, sotto, presbyopia and 355 more...
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phrontistery-s
from phrontistery.info
sabaton, sabbatarian, sabbulonarium, sabelline, sabin, sable, sabliere, sabot, sabretache, sabulous, saburration, saccade and 1593 more...
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Palynology
List of terms used in the study and classification of pollen and spores - both fossil and modern.
tetrad, abporal, ectoaperture, lacuna, grain, spore, lophate, acalymmate, monad, polyad, hexad, calymmate and 513 more...
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SCIE - neurology
abducens.....draw..., ablation.....carr..., acetylcholine......., adrenalin.....nea..., afferent.....to c..., agnosia.....no kn..., alar.....wing-like, alexia.....no words, alveus.....canal, amacrine.....no l..., ambidextrous........, ambiguus.....doub... and 701 more...
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See Phrases Under
Being a list of words with definitions which have the phrase "see phrases under" in them. I will also accept words with definitions which have the phrase "see phrases below."
see phrases under, cubit, hood, palm, brethren, sulcus, zone, trochlearis, sacrovertebral, turkey, geography, See Phrases Under and 2 more...
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bintalshamsa's list
My Favorite Words
weltschmerz, perspicacity, idée fixe, invigilator, salubrious, tchotchke, ex nihilo, invidious, malapropism, naïve, sardonic, elide and 1459 more...
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Ditch or Trench
Nouns meaning ditch or trench
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Fall Words 2009
sgraffito, maestá, tempera, size, gesso, obsolescence, hinterland, taboret, pram, amygdalate, pandect, loggia and 105 more...
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fbharjo's Words
jumelle, kef, kenspeckle, lautitious, essentic, pilpulistic, impavid, cicurant, clou, chrysostomic, miasma, teleology and 1625 more...
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looked up
Words I've come across while reading and looked up in the dictionary.
deesis, pendentive, revetment, aedicule, stemma, patera, ephod, entrepot, corbel, exedra, volute, archivolt and 1408 more...
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The Brain
somatosensory cortex, optic chiasm, cerebral hemisphere, dura matter, meninges, neurotransmitters, proprioception, amygdala, axon, blood-brain barrier, hippocampus, fissures and 49 more...
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If I only had a brain
"cerebral" cerebral terms
cerebrum, cortex, cerebellum, cingulate, hippocampus, uncus, amygdala, locus ceruleus, tegmentum, tectum, corpora quadrigemina, optic chiasm and 42 more...
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DFW
apocope, bolection, reglet, dipsomania, quincunx, varicoceles, simpatico, aleatory, experialist, agnate, pedalferrous, fulvous and 80 more...
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AnalystePlu's Words
palimpsest, fugue, dalliance, doggerel, theodicy, sulcus, sophistry, waylay, jounce, supercilious, sinecure, amanuentic and 19 more...
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Gallimaufry
...words to be reassigned as time allows.
vade, viduity, surd, thropple, horary, sorites, ancile, roscid, spraints, birl, marmite, voxel and 69 more...
Tweets
Looking for tweets for sulcus.

knitandpurl "Scum plus crud plugs up ducts; thus Ubu must flush such sulcus ruts."
Eunoia by Christian Bök (upgraded edition), p 78 May 22, 2010