Paraventricular nucleus of hypothalamus
The paraventricular nucleus is a core area in the hypothalamus, ie in the diencephalon. Its name derives from its location next to the third ventricle.
The large nerve cells of this core region produce the hormone oxytocin and antidiuretic hormone in small quantities. Moreover, this core region includes small cores that secrete the releasing hormone CRH, this is however delivered to the median eminence in the primary pituitary portal circulation ( Primärplexus ).
The cell processes ( axons ) of the paraventricular nucleus, together with those of the supraoptic nucleus hypothalamohypophysialis the tract. About this nerve pathway oxytocin and ADH are transported to the posterior pituitary, where it is temporarily stored and released into the blood when needed.
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- Endocrine organ