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).
Pyramidal neurons (pyramidal cells) are a type of neuron found in areas of the brain including cerebral cortex, the hippocampus, and in the amygdala.Pyramidal neurons are the primary excitation units of the mammalian prefrontal cortex and the corticospinal tract.eatures Edit. One of the main structural features of the pyramidal neuron is the triangular shaped soma, or cell body, after which the neuron is named. Other key structural features of the pyramidal cell are a single axon, a large apical dendrite, multiple basal dendrites, and the presence of dendritic spines.