Vermilion Border Of Lower Lip: Anatomy, Histology, And Features Question 1. Vermillion zone of lip Answer: The transitional zone between the skin of the lip and the mucous membrane of the lip is called the vermillion zone The line that separates the skin from the vermillion zone is called the vermillion border It is exposed to the atmosphere Histological … [Read more...] about Vermilion Border Of Lower Lip: Anatomy, Histology, And Features
Non-Keratinocytes: Definition, Features, And Origin
Non-Keratinocytes: Definition, Features, And Origin Question 1. Non-keratinocytes. Answer: These cells do not possess: Cytokeratin filaments Ability to keratinize Mitotic activity The ability of arranged in layers Desmosomal attachments. These cells migrate to the oral epithelium from the neural crest or from the bone marrow. Question 2. … [Read more...] about Non-Keratinocytes: Definition, Features, And Origin
Melanocytes in Oral Epithelium: Origin, Features, and Function
Melanocytes in Oral Epithelium: Origin, Features, and Function Question 1. Melanocytes. Answer: Origin: Embryologic neural crest cells. Features: Dendritic cell. Do not possess desmosomes and tonofilaments. Stores melanin pigment in melanosomes. They are present in the basal layer of epithelium. Function: Synthesize melanin pigment. … [Read more...] about Melanocytes in Oral Epithelium: Origin, Features, and Function
Langerhans Cells And Oral Epithelium: Histological Features
Langerhans Cells And Oral Epithelium: Histological Features Question 1. Langerhans cells. Answer: Non-keratinocytes: Origin: Bone marrow Site: Suprabasal layer of epithelium. Structure: Dendritic cell Has convoluted nucleus Has a small rod or flat-shaped granule called a Birbeck granule. Lacks desmosomal attachments. Appears as a clear cell … [Read more...] about Langerhans Cells And Oral Epithelium: Histological Features
Histological Features Of Taste Buds And Oral Mucosa
Histological Features Of Taste Buds And Oral Mucosa Question 1. Tastebuds. Answer: They are small void or barrel-shaped interepithelial organs. Size: 80 cm high, 40 cm thick. Structure: Their outer surface is covered by a few flat epithelial cells surrounding taste pores. It is composed of 30 - 80 spindle-shaped cells. The outer supporting cells are … [Read more...] about Histological Features Of Taste Buds And Oral Mucosa