Medical Definition of Fissura collateralis

1. A long, deep sagittal fissure on the undersurface of the temporal lobe, marking the border between the fusiform gyrus laterally and the hippocampal and lingual gyri medially; the great depth of the collateral sulcus results in a bulging of the floor of the occipital and temporal horn of the lateral ventricle, the collateral eminence. Synonym: sulcus collateralis, sulcus occipitotemporalis, collateral fissure, fissura collateralis, occipitotemporal sulcus. (05 Mar 2000)

Lexicographical Neighbors of Fissura Collateralis

fissipedal
fissipedia
fissipeds
fissirostres
fissive
fissle
fissled
fissles
fissling
fissura
fissura antitragohelicina
fissura cerebri lateralis
fissura choroidea
fissura collateralis (current term)
fissura dentata
fissura hippocampi
fissura horizontalis cerebelli
fissura horizontalis pulmonis dextri
fissura ligamenti teretis
fissura ligamenti venosi
fissura longitudinalis cerebri
fissura mediana anterior medullae oblongatae
fissura mediana anterior medullae spinalis
fissura obliqua pulmonis
fissura orbitalis inferior
fissura orbitalis superior
fissura parietooccipitalis
fissura petro-occipitalis

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