Definition of Calcarine fissure

1. Noun. A sulcus in the mesial surface of the occipital lobe of the cerebrum.

Exact synonyms: Calcarine Sulcus
Generic synonyms: Sulcus
Group relationships: Occipital Cortex, Occipital Lobe

Medical Definition of Calcarine fissure

1. A deep fissure on the medial aspect of the cerebral cortex, extending on an arched line from the isthmus of the fornicate gyrus back to the occipital pole, marking the border between the lingual gyrus below and the cuneus above it. The cortex in the depth of the sulcus corresponds to the horizontal meridian of the contralateral half of the visual field. Synonym: sulcus calcarinus, calcarine fissure, fissura calcarina, posthippocampal fissure. (05 Mar 2000)

Lexicographical Neighbors of Calcarine Fissure

calcareous
calcareous conjunctivitis
calcareous degeneration
calcareous infiltration
calcareous metastasis
calcareous sponge
calcareously
calcareousness
calcaria
calcariferous
calcariform
calcarine
calcarine artery
calcarine branch of medial occipital artery
calcarine fasciculus
calcariuria
calcars
calceate
calceated
calced
calcedon
calcedonies
calcedons
calcedony
calceiform
calcein
calceins
calcemia

Literary usage of Calcarine fissure

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Anatomy of the Nervous System by Stephen Walter Ranson (1920)
"These fissures form a Y-shaped figure whose stem is the calcarine fissure and whose two limbs are the parieto-occipital fissure and the "posterior calcarine ..."

2. Anatomy of the brain and spinal cord with special reference to mechanism and by Harris Ellett Santee (1907)
"27, 28 and 20), the internal part, extends downward from the supero-medial border to the middle of the calcarine fissure. The two form a lambda- shaped ..."

3. Histological Studies on the Localisation of Cerebral Function by Alfred Walter Campbell (1905)
"Of the external calcarine fissure Cunningham gives the following account: " It is placed very obliquely along the lower border of the cerebrum, ..."

4. Journal of Nervous and Mental Disease by American Neurological Association, Philadelphia Neurological Society, Chicago Neurological Society, New York Neurological Association, Boston Society of Psychiatry and Neurology (1905)
"The branch to the calcarine fissure sends in a branch to the optic radiations so that any lesion interfering directly or indirectly with the blood supply ..."

5. Journal of Nervous and Mental Disease by Philadelphia Neurological Society, American Neurological Association, Chicago Neurological Society, New York Neurological Association (1906)
"The branch to the calcarine fissure sends in a branch to the optic radiations so that any lesion interfering directly or indirectly with the blood supply ..."

6. Anatomy, Descriptive and Surgical by Henry Gray (1901)
"The calcarine fissure commences, usually by two branches, close to the posterior extremity of the hemisphere. These soon unite, and the fissure runs nearly ..."

7. Manual of Practical Anatomy by Daniel John Cunningham (1903)
"The anterior calcarine fissure corresponds very nearly to the stem of the >--shaped ... The posterior calcarine fissure is much shallower. The cuneus (Fig. ..."

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