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).
The olfactory mucosa is a very important structure as it not only senses smell, but also the more advanced aspects of taste. It is located in the roof of the nasal cavity and is composed of pseudostratified columnar epithelium which contains a number of cells.1  Basal cells: Form the new stem cells from which the new olfactory cells can develop. 2  Sustentacular cells: Tall cells for structural support.he olfactory mucosa is a very important structure as it not only senses smell, but also the more advanced aspects of taste. It is located in the roof of the nasal cavity and is composed of pseudostratified columnar epithelium which contains a number of cells.