somatostatin

Gastrointestinal Hormones

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Name of Hormones       Source of secretion Functions (Actions) 1.       Gastrin           G-cells in stomach TG cells in GI tract Islets in fetal pancreas Anterior pituitary Brain   Stimulates gastric secretion and motility. Promotes growth of gastric mucosa. Stimulates release of pancreatic hormones. Stimulates secretion of pancreatic juice. Stimulates secretion of … Read more

Various neurotransmitters and their functions

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Neurotransmitters are chemical agents synthesized by nerve cells. Are stored in secretory vesicles in axon terminals.  Released when a nerve impulse reaches the end bulb. Also defined as the chemicals which allow the transmission of signals from one neuron to the next across synapses.  Produce an excitatory or inhibitory response in the post synaptic membrane. … Read more