See Also: fissura collateralis(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
COLLATERAL, collateralis(law)
eminentia collateralis(medicine)
sulcus collateralis(medicine)
arteria collateralis radialis(medicine)
arteria collateralis media(medicine)
arteria collateralis ulnaris superior(medicine)
arteria collateralis ulnaris inferior(medicine)
ramus collateralis arteriarum intercostalium posteriorum III-XI(medicine)

fissura collateralis (medicine)


fissura collateralis -->
collateral sulcus


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.