Kelepona pituitary

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• Hōʻike Overview

Hōʻike Overview

Ke moe hohonu nei ka pituitary gland i loko o ke poʻo. Kāhea pinepine ʻia ʻo ia ka "gland master" no ka mea kaohi ia i nā mea he nui o nā glands ʻē aʻe.

Ma luna pono o ka pituitary ka hypothalamus. Hoʻouna ia i nā hōʻailona hormonal a uila paha i ka pituitary. Hoʻoholo kēia i nā hormones e hoʻokuʻu ai ka pituitary.

ʻO kahi laʻana, hoʻouna paha ka hypothalamus i kahi hōmona i kapa ʻia ʻo GHRH, a i ʻole ka ulu ʻana o ka hōmona e hoʻokuʻu ana i ka hōmona. ʻO ia ka mea e hoʻonāuki i ka hoʻokuʻu ʻana o ka pituitary o ka hormone ulu, kahi e hoʻopili ai i ka nui o nā mākala a me ka iwi.

Pehea kēia mea nui? ʻO ka lawa ʻole i ka wā kamaliʻi hiki ke kumu i ka dwarfism pituitary. ʻO ka loaʻa ʻana i nā mea he nui hiki ke kumu i ke kūlana ʻē aʻe i kapa ʻia ʻo gigantism. I loko o kahi kino i oʻo mua, hiki i ka nui o ka hormone ulu ke hana i ka acromegaly. Me kēia kūlana, hele a paʻakikī ke ʻano o ka helehelena. lilo ka leo i hohonu; a hoʻonui ka lima, ka wāwae, a me ka iwi poʻo.

ʻO kahi kauoha hormonal ʻokoʻa mai ka hypothalamus e hoʻonāuki i ka hoʻokuʻu ʻia o ka thyroid stimulate hormone a i ʻole TSH.Hoʻokumu ʻo TSH i ka thyroid e hoʻokuʻu i ʻelua mau hormones i kapa ʻia ʻo T3 a me T4 e hoʻoulu ai i ka metabolism i nā hunaola ʻē aʻe a puni ke kino.

Hiki i ka pituitary ke hoʻokuʻu i kahi hormone i kapa ʻia antidiuretic hormone, a i ʻole ADH. Hana ʻia ia i ka hypothalamus a mālama ʻia i ka pituitary. Hoʻopili ka ADH i ka hana o ka mimi. Ke hoʻokuʻu ʻia, omo ka puʻupaʻa i ka nui o ka wai e hele ma waena o lākou. ʻO ka manaʻo ia e hana ʻia ka mimi liʻiliʻi.

Hoʻomaʻa ka waiʻona i ka hoʻokuʻu ʻana o ADH, no laila inu nā waiʻona lama i ka nui o ka hana mimi.

Hoʻopuka ka pituitary gland i nā hormones ʻē aʻe e kaohi i nā hana a me nā hana o ke kino.

ʻO kahi laʻana, ʻo ka follicle stimulate hormone, a i ʻole FSH, a me ka hormone luteinizing, a i ʻole LH, he mau hormones e hoʻopili i nā ovaries a me nā hua manu i nā wahine. I nā kāne, hoʻopili lākou i nā testes a me ka hana sperm.

ʻO Prolactin kahi hormone e pili i kaʻiʻo o ka umauma i nā makuahine hānai.

Hana ʻo ACTH a i ʻole adrenocorticotrophic hormone i nā adrenal glands e hana i nā mea nui e like me nā steroid.

ʻO ka ulu ʻana, ka wā ʻōpio, ka ʻōhule, a me nā manaʻo e like me ka pōloli a me ka make wai, kekahi o nā kaʻina hana e hoʻohuli ʻia e ka ʻōnaehana endocrine.

• Nā maʻi pituitary
• Nā Tumiko Pituitary