carina fornicis


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Noun1.carina fornicis - ridge on the lower surface of the fornix of the brain
carina - any of various keel-shaped structures or ridges such as that on the breastbone of a bird or that formed by the fused petals of a pea blossom
trigonum cerebrale, fornix - an arched bundle of white fibers at the base of the brain by which the hippocampus of each hemisphere projects to the contralateral hippocampus and to the thalamus and mamillary bodies