Word Origin and History for philo- Expand. before vowels phil-, word-forming element meaning loving, fond of, tending to, from Greek philo-, comb. form of philos dear (adj.), friend (n.), from philein to love, of unknown origin. Productive of a great many compounds in ancient Greek.
One way to classify neurons is by the number of extensions that extend from the neuron's cell body (soma). Bipolar neurons have two processes extending from the cell body (examples: retinal cells, olfactory epithelium cells).
olfactory hair. modified cilia projecting from olfactory cells in the mucosa of the nasal olfactory area. olfactory mucosa. specialized olfactory cells in a region of nasal mucosa covering ethmoturbinates, turbinates and nasal septum.lfactory system. includes the olfactory part of the nasal mucosa, the olfactory nerves and the olfactory bulbs of the cerebrum. olfactory tract. a band of white nerve fibers visible on the ventral surface of the brain running caudally from the olfactory bulbs.