Olfactory
Pertaining to olfaction, the sense of smell.
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- Olfactory apparatus
The whole system that is needed to have a sense of smell, including the nose and affiliated nerves.
- Olfactory bulb
A key part of the olfactory apparatus consisting of a bulbous enlargement of the end of the olfactory nerve on the under surface of the frontal lobe of each cerebral hemisphere just above the nasal cavity. Called also Morgagni’s tubercle.
- Olfactory disorder
A loss in the ability to smell or a change in the way odors are perceived. Reduction of the sense of smell is termed hyposmia. Total inability to detect odors is termed anosmia. As for changes in the perception of odors, some people notice that familiar odors become distorted. Or, an odor that usually smells […]
- Olfactory nerve
The nerve that carries impulses for the sense of smell from the nose to the brain. The olfactory nerve is the first cranial nerve.
- Oligo- (prefix)
Means just a few or scanty. From the Greek “oligos’, few, scanty. Examples of terms starting with oligo- include oligodactyly (few fingers), oligohydramnios (too little amniotic fluid) and oligospermia (too few sperm).