| Name: | pharyngeal arch |
|---|---|
| Synonyms: | pharyngeal arches |
| Definition: | One of a series of paired bony or cartilaginous arches that develop along the lateral walls of the foregut. The pharyngeal arches have developmental contributions from endoderm, mesoderm, and neural crest cells and are separated by anterior lateral endoderm out-pockets known as pharyngeal pouches. There are seven pharyngeal arches. |
| Ontology: | Anatomy Ontology [ZFA:0001306] |
| Name: | Merkel cell |
|---|---|
| Synonyms: | Merkel cells |
| Definition: | A modified epidermal cell located in the stratum basale. They are found mostly in areas where sensory perception is acute. Merkel cells are closely associated with an expanded terminal bulb of an afferent myelinated nerve fiber. |
| Ontology: | Anatomy Ontology [ZFA:0009146] |