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Goblet cells are simple columnar epithelial cells, having a height of four times that of their width. The cytoplasm of goblet cells tends to be displaced toward the basal end of the cell body by the large mucin granules, which accumulate near the apical surface of the cell along the Golgi apparatus, which lies between the granules and the nucleus.
Mucous cells of the stomach lining secrete mucus (pink) into the lumen. Mucus (/ ˈ m j uː k ə s /, MEW-kəs) is a slippery aqueous secretion produced by, and covering, mucous membranes. It is typically produced from cells found in mucous glands, although it may also originate from mixed glands, which contain both serous and mucous cells.
In both people with asthma and people who are free of the disease, inhaled allergens that find their way to the inner airways are ingested by a type of cell known as antigen-presenting cells, or APCs. APCs then "present" pieces of the allergen to other immune system cells. In most people, these other immune cells (T H 0 cells) "check" and ...
The epithelium of the nasal mucosa is of two types – respiratory epithelium, and olfactory epithelium differing according to its functions. In the respiratory region it is columnar and ciliated. [3] [4] Interspersed among the columnar cells are goblet or mucin cells, while between their bases are found smaller pyramidal cells.
Goblet cell-associated antigen passages (GAP) transfer low molecular weight soluble antigens to CD103+ dendritic cells. CD103+ dendritic cells are associated with tolerance induction. [30] CX3CR1+ macrophages extend in between enterocytes and directly take up antigens form the intestinal lumen. These macrophages are not capable of traveling to ...
4103 n/a Ensembl ENSG00000147381 n/a UniProt P43358 n/a RefSeq (mRNA) NM_001011548 NM_001011549 NM_001011550 NM_002362 n/a RefSeq (protein) NP_001011548 NP_001011549 NP_001011550 NP_002353 n/a Location (UCSC) Chr X: 151.91 – 151.93 Mb n/a PubMed search n/a Wikidata View/Edit Human Melanoma-associated antigen 4 is a protein that in humans is encoded by the MAGEA4 gene. This gene is a member ...
Basal cells are the stem cells or progenitors of the airway epithelium and can differentiate to replenish all of the epithelial cells including the ciliated cells, and secretory goblet cells. [2] [3] This repairs the protective functions of the epithelial barrier. [3] Basal cells are cuboidal with a large nucleus, few organelles, and scattered ...
During each mitosis, one of the two daughter cells remains in the crypt as a stem cell, while the other differentiates and migrates up the side of the crypt and eventually into the villus. These stem cells can differentiate into either an absorptive ( enterocytes ) or secretory ( Goblet cells , Paneth cells , enteroendocrine cells ) lineages. [ 3 ]
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