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).
a spindle-shaped receptor cell in the olfactory epithelium of the nasal cavity which is sensitive to odorants. Cilia at the root of the olfactory receptors consist of receptor sites for odorants.The receptors themselves shape the olfactory nerve together, that synapses with cells within the olfactory bulb.Commonly referred to as olfactory sense organ.ilia at the root of the olfactory receptors consist of receptor sites for odorants. The receptors themselves shape the olfactory nerve together, that synapses with cells within the olfactory bulb. Commonly referred to as olfactory sense organ.