| Term: | adenohypophysis secretory granule |
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| Note: | This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name. |
| Name: | adenohypophysis |
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| Synonyms: | anterior hypophysis, anterior pituitary |
| Definition: | The anterior lobe of the hypophysis (pituitary gland). This lobe contains cells that produce prolactin, growth hormone, thyroid-stimulating hormone, follicle-stimulating hormone and proopiomelanocortin. In contrast to mammalian vertebrates, the adenohypophysis remains in a subepithelial position and there exists no equivalent of Rathke's pouch in zebrafish. |
| Ontology: | Anatomy Ontology [ZFA:0001282] |
| Name: | secretory granule |
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| Synonyms: | secretory vesicle |
| Definition: | A small subcellular vesicle, surrounded by a membrane, that is formed from the Golgi apparatus and contains a highly concentrated protein destined for secretion. Secretory granules move towards the periphery of the cell and upon stimulation, their membranes fuse with the cell membrane, and their protein load is exteriorized. Processing of the contained protein may take place in secretory granules. |
| Ontology: | GO: Cellular Component [GO:0030141] QuickGO AmiGO |