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Hint: Hypothalamus is the small portion of the brain, where it contains the different types of the nucleus, have a variety of functions, the main function of the hypothalamus is to connect the nervous system with endocrine system.
Complete answer:
This hypothalamus works as a neuroendocrine system, where it controls several glands in the body. It secrets the releasing factors or releasing hormones, which in turn they stimulate certain organs and body parts.
Note: In hypothalamic neurohypophyseal axis, some hormones are released from posterior pituitary, they are oxytocin and vasopressin, oxytocin for childbirth and lactation, while vasopressin is to produce the concentrated urine, while reabsorbing water in the distal tubules of neurons of the kidneys.
Complete answer:
This hypothalamus works as a neuroendocrine system, where it controls several glands in the body. It secrets the releasing factors or releasing hormones, which in turn they stimulate certain organs and body parts.
Hormone name | Nucleus name | Affects |
Thyrotropin-releasing hormone | Parvocellular neurosecretory cells of the paraventricular nucleus | It stimulates the anterior pituitary to release the thyrotropin-releasing hormone. |
Prolactin releasing hormone | Parvocellular neurosecretory cells of the para ventricular nucleus | It stimulates the prolactin to release the prolactin releasing hormone |
Corticotropin releasing hormone | Parvocellular neuro secretory cells of the para ventricular nucleus | Adrenocorticotropic releasing hormone from the anterior pituitary |
Dopamine | Dopamine releasing cells of arcuate nucleus | It releases dopamine which inhibits prolactin, released from anterior pituitary. |
Growth hormone releasing hormone | Neuroendocrine nucleus of the arcuate nucleus | Release growth hormone from anterior pituitary |
Gonadotropin releasing hormone | Neuroendocrine cells of preoptic area | It release the follicle stimulating hormone and luteinizing hormone from the anterior pituitary |
Somatostatin | Neuroendocrine cells of pre ventricular nucleus | It releases from anterior pituitary where it inhibits the growth hormone and thyroid stimulating hormone. |
Note: In hypothalamic neurohypophyseal axis, some hormones are released from posterior pituitary, they are oxytocin and vasopressin, oxytocin for childbirth and lactation, while vasopressin is to produce the concentrated urine, while reabsorbing water in the distal tubules of neurons of the kidneys.
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