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glucagon

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A cell

Overview page. Subjects: Chemistry — Medicine and Health.

Cells of the islets of Langerhans in the pancreas. They constitute around 20% of the population and secrete glucagon. See beta cells; D cells.

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endocrine gland

Overview page. Subjects: Medicine and Health — Science and Mathematics.

(ductless gland) a gland that manufactures one or more hormones and secretes them directly into the bloodstream (and not through a duct to the exterior). Endocrine glands include the...

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exendin

Overview page. Subjects: Chemistry.

Group of peptide hormones (39 aa), related to the glucagon family, found in the saliva of Gila monsters Heloderma suspectum, H. horridum. Helospectin is exendin-1; helodermin is exendin-2....

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gastrointestinal hormone

Overview page. Subjects: Chemistry.

Any member of a diverse group of peptides with hormone or hormone‐like actions that occur in specific cells of the gastrointestinal tract, the pancreatic islets, and other locations. The...

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glicentin

Overview page. Subjects: Chemistry — Medicine and Health.

An N-terminal peptide (69 aa) derived from proglucagon by post-translational processing in the intestine. The glucagon sequence is within glicentin but the C-terminal region of glicentin is...

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GLIP

Overview page. Subjects: Chemistry.

abbr. for glucagon‐like insulinotropic peptide; a gastrointestinal peptide that potentiates release of insulin. It is released during a meal and after oral glucose...

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GLP

Overview page. Subjects: Chemistry.

abbr. for glucagon‐like peptide (see glucagon‐related polypeptide).

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GLP-1

Overview page. Subjects: Medicine and Health.

1. A transcriptional activator that is a GARP homologue found in the protozoan Giardia lamblia.

2. One of the glutaredoxin-like proteins.

null...

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glucagon stimulation test

Overview page. Subjects: Medicine and Health.

A test for phaeochromocytomas not displaying typically high levels of plasma catecholamines. An intravenous bolus of glucagon is administered and the test is positive when there is a...

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glucagonoma

Overview page. Subjects: Medicine and Health — Chemistry.

n. a usually malignant pancreatic tumour of the alpha cells of the islets of Langerhans that secretes excessive amounts of glucagon and causes impaired glucose tolerance or...

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