neurosecretory cells

neurosecretory cells
Cells found in the ganglia of the central nervous system that secrete hormones which act directly on effector organs or on other endocrine organs.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • neurosecretory cells — Cells that have properties both of electrical activity, carrying impulses, and a secretory function, releasing hormones into the bloodstream. In a sense, they are behaving in the same way as any chemically signalling neuron, except that the… …   Dictionary of molecular biology

  • neurosecretory cell — ▪ anatomy       a type of neuron, or nerve cell, whose function is to translate neural signals into chemical stimuli. Such cells produce secretions called neurohormones (neurohormone) that travel along the neuron axon and are typically released… …   Universalium

  • neurosecretory cell — any cell with neuron like properties that secretes a biologically active substance acting on another structure, often at a distant site; examples are the paraganglia and cells in the hypothalamus. See also neuroendocrine c s …   Medical dictionary

  • Magnocellular neurosecretory cell — Not to be confused with Magnocellular cell. Magnocellular neurosecretory cells are large cells within the supraoptic nucleus and paraventricular nucleus of the hypothalamus. They are also found in smaller numbers in accessory cell groups between… …   Wikipedia

  • caudal neurosecretory gland — an area of the spinal cord dorsal to the most posterior vertebrae, e.g. in Ictalurus punctatus. This concentration of neurosecretory or Dahlgren cells is of unknown function but is probably involved in osmoregulation or ion balance and possibly… …   Dictionary of ichthyology

  • hormone — hormonal, hormonic /hawr mon ik, moh nik/, adj. /hawr mohn/, n. 1. Biochem. any of various internally secreted compounds, as insulin or thyroxine, formed in endocrine glands, that affect the functions of specifically receptive organs or tissues… …   Universalium

  • endocrine system — Group of ductless glands that secrete hormones necessary for normal growth and development, reproduction, and homeostasis. The major endocrine glands are the hypothalamus, pituitary, thyroid, islets of Langerhans, adrenals, parathyroids, ovaries …   Universalium

  • endocrine system, human — ▪ anatomy Introduction  group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …   Universalium

  • nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… …   Universalium

  • Endocrine system — In physiology, the endocrine system is a system of glands, each of which secretes a type of hormone directly into the bloodstream to regulate the body. The endocrine system is in contrast to the exocrine system, which secretes its chemicals using …   Wikipedia

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