calcarine sulcus

sulcus /sul·cus/ (sul´kus) pl. sul´ci   [L.] a groove, trench, or furrow; in anatomy, a general term for such a depression, especially one on the brain surface, separating the gyri.

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arterial sulci  grooves on the internal surfaces of the cranial bones for the meningeal arteries.

calcarine sulcus  a sulcus of the medial surface of the occipital lobe, separating the cuneus from the lingual gyrus.

central cerebral sulcus  one between the frontal and parietal lobes of the cerebral hemisphere.

cerebral sulci  the furrows between the cerebral gyri.

cerebral sulcus, lateral  fissure of Sylvius.

cingulate sulcus  one on the median surface of the hemisphere midway between the corpus callosum and the margin of the surface.

collateral sulcus  one on the inferior surface of the cerebral hemisphere between the fusiform and parahippocampal gyri.

sul´ci cu´tis  the fine depressions on the surface of the skin between the dermal ridges.

gingival sulcus  the groove between the surface of the tooth and the epithelium lining the free gingiva.

hippocampal sulcus  one extending from the splenium of the corpus callosum almost to the tip of the temporal lobe.

interlobar sulci  the sulci that separate the lobes of the brain from each other.

intraparietal sulcus  one separating the parietal gyri.

sulcus of matrix of nail  the skin fold in which the proximal part of the nail is embedded.

parietooccipital sulcus  one marking the boundary between the cuneus and precuneus, and also between the parietal and occipital lobes of the cerebral hemisphere.

posterior median sulcus 

1. a shallow vertical groove in the closed part of the medulla oblongata, continuous with the posterior median sulcus of the spinal cord.

2. a shallow vertical groove dividing the spinal cord throughout its whole length in the midline posteriorly.

precentral sulcus  one separating the precentral gyrus from the remainder of the frontal lobe.

scleral sulcus  a slight groove at the junction of the sclera and cornea.

venous sulci  grooves on the internal surfaces of the cranial bones for the meningeal veins.

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calcarine sulcus

n.

A deep fissure on the medial aspect of the cerebral cortex, marking the border between the lingual gyrus below and the cuneus above. Also called calcarine fissure.

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calcarine

1. spur-shaped.

2. pertaining to the calcar avis.

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calcarine sulcus

a sulcus of the medial surface of the occipital lobe, separating the cuneus from the lingual gyrus.

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sulcus

pl. sulci [L.] a groove or furrow; a linear depression, especially one separating the gyri of the brain.

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abomasal sulcus

the third or abomasal part of the gastric groove.

alar sulcus

lies between the dorsolateral cartilage at the nostril and the lateral accessory cartilage.

calcarine sulcus

see calcarine sulcus.

central sulcus

fissure of Rolando.

collateral sulcus

see collateral fissure.

coronal sulcus

a groove at the top of the hoof wall that houses the coronal matrix.

coronary sulcus

an external groove which indicates the division of the ventricles of the heart and the atria. Houses the circumflex coronary blood vessels of the heart.

cruciate sulcus

a deep groove which runs transversely across the rostro-dorsal surface of the cerebrum and which is one of the landmarks on the cerebral cortex.

sulcus cutis

fine depressions of the skin between the ridges of the skin.

dorsal median sulcus

see dorsal median fissure.

gingival sulcus

the groove between the surface of the tooth and the epithelium lining the free gingiva.

hippocampal sulcus

hippocampal fissure.

jugular sulcus

see jugular furrow.

lateral cerebral sulcus

see sylvian fissure.

sulcus limitans

a longitudinal groove in the neural tube wall of the embryo; stretches from the mesencephalon caudad.

omasal sulcus

the second part of the gastric groove in ruminants.

reticular sulcus

the first part of the gastric groove in ruminants.

rhinal sulcus

a deep groove which separates the neopallium from the paleopallium on the lateral surface of the brain.

rumenoreticular sulcus

a groove on the external surface of the forestomachs that marks the division between the rumen and reticulum.

scleral sulcus

the groove between the sclera and cornea.

sylvian sulcus

a landmark groove on the lateral side of the cerebral cortex.

urethral sulcus

the furrow in the ventral aspect of the corpus cavernosum of the penis that accommodates the corpus cavernosum urethrae and the urethra.