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Pancreatic neuroendocrine tumours ( PanNETs, PETs, or PNETs ), often referred to as "islet cell tumours", [ 1][ 2] or "pancreatic endocrine tumours" [ 3][ 4] are neuroendocrine neoplasms that arise from cells of the endocrine ( hormonal) and nervous system within the pancreas . PanNETs are a type of neuroendocrine tumor, representing about one ...
Neuroimmunology is a field combining neuroscience, the study of the nervous system, and immunology, the study of the immune system. Neuroimmunologists seek to better understand the interactions of these two complex systems during development, homeostasis, and response to injuries. A long-term goal of this rapidly developing research area is to ...
Neuroendocrinology is the branch of biology (specifically of physiology) which studies the interaction between the nervous system and the endocrine system; i.e. how the brain regulates the hormonal activity in the body. [ 1] The nervous and endocrine systems often act together in a process called neuroendocrine integration, to regulate the ...
The neuroendocrine system includes endocrine glands such as the pituitary, the parathyroids and the neuroendocrine adrenals, as well as endocrine islet tissue embedded within glandular tissue such as in the pancreas, and scattered cells in the exocrine parenchyma. The latter is known as the diffuse endocrine system. [2] [3]
Neuroendocrine cells are cells that receive neuronal input (through neurotransmitters released by nerve cells or neurosecretory cells) and, as a consequence of this input, release messenger molecules ( hormones) into the blood. In this way they bring about an integration between the nervous system and the endocrine system, a process known as ...
Multiple endocrine neoplasia occurs when tumors are found in at least two of the three main endocrine glands (parathyroid, pituitary, and pancreatico-duodenum). Tumors can also develop in organs and tissues other than endocrine glands. If the tumors become cancerous, some cases can be life-threatening. The disorder affects 1 in 30,000 people.
Enterochromaffin-like cells. Enterochromaffin-like cells (ECL cells) are a population of cells that are found in the gastric glands of the stomach luminal epithelium and secrete histamine. In response to gastrin released by neighbouring G-cells, secreted histamine from ECL cells acts on parietal cells to stimulate the release of gastric acid.
Mercedes and Jonathan Sandhu, the Texas couple who welcomed identical quadruplets, have brought Hannah, Lucy, Rebecca and Petra home from the hospital.