olfactory groove n.
The sagittal groove on the lower or orbital surface of each frontal lobe of the cerebrum, demarcating the straight gyrus from the orbital gyri. Also called olfactory sulcus.
noun, Anatomy. 1. the anterior part of each cerebral hemisphere, involved with olfactory functions.
- Olfactory membrane
olfactory membrane n. The portion of the nasal mucosa having olfactory receptor cells and olfactory glands.
noun, Anatomy. 1. either one of the first pair of cranial nerves, consisting of sensory fibers that conduct to the brain the impulses from the mucous membranes of the nose. noun 1. either one of the first pair of cranial nerves, supplying the mucous membrane of the nose olfactory nerve n. Any of numerous olfactory […]
- Olfactory pit
olfactory pit n. See nasal pit.