Pituitary: He aha ka mea a ka mea kona kanawai ma ke kino?

Kekahi o na kumu nui nā loko o ka endocrine'ōnaehana o ka pituitary gland. He aha ka mea, eia nō i loko o ke kula. I mea, i kēia hapa o ka lolo i mea kuleana no ka hana hormones e hoʻonui ai i ka malama o reproductive hana, ulu, pono pūnao i loko o ke kino. Kekahi, excessive a lawa ka helu o ka pituitary hormones produces, ma kekahi hihia e hiki aku ai i ka mea maʻi.

Pituitary gland - He aha ka mea?

O ka papa kuhikuhi hana o ka pituitary gland - paka hormones i lawa ku pono no ka mea'ōlohelohe hana o ke kanaka kino. Manawa a hiki i keia hooponopono ua haliia mai la mawaho, a me ka hoʻololi kemikala o melanin, hōmona gonads a me adrenal glands, ana a me ka mālamaʻana o ka mākaʻi hana, e like me ka ulu ana. Hoomaopopo i ka mua, e kūkulu a me ka waena pituitary.

anterior lobe

Koaʻe ke hormones hua mai la i loko o ka anterior pituitary, o:

• somatotropin, ia mea kuleana no ka ulu ana;
• adrenocorticotropic hōmona a e loli ai i ka pololei hana o ka adrenal;
• thyrotropin - hoʻi iā ka ha awina o ka thyroid gland;
• gondatropiny (follikulotropin a me ka lyuteotropin) hoʻoulu i ka hana o ka 'īnea i glands, a lyuteotropin kuleana no ka? iecaianoaaiiie o estrogen a me ka androgen, a me ka follikulotropin - no ka ho okumu ana o sperm i ka poe kane a pau a me ka ulu ana o follicles ma na ovaries i loko o nā wāhine;
• prolactin - ua pili 'ole i loko o ke kahua o ka waiū i loko o ka umauma, i mea kuleana no ka lactation.

Ka hooulu ana o na maʻi like dwarfism a gigantism, acromegaly, Cushing ka maʻi pale, Simmonds-Glinski maʻi, kena ae la ia e ka oi paha deficiency o ka hōmona i mea kuleana no ka? Iecaianoaaiiie o ka pituitary gland. Symptoms o ka maʻi kānāwai ma ka kakahiaka nui elemakule, a ma ka oo.

wahi kaʻana like 'ana

Ma ka palapala mahele hua mai la ma ka melanocyte noho haumāna kahi hōmona. Ka mea, e kuleana no ka pigmentation o ka lauoho, a me kaʻili retina. Ma hāpai keiki, no ka laʻana, ka mea, ua pinepine malama ia ka hookoia, e like me ka poeleele hoi o ka ili. O ke kumu ho i ka mea ulu o ka melanin, i mea kuleana no ka ho okumu ana o ka pituitary gland. He aha ka mea a ke kumu he mea manawa maopopo.

Akā, maikai-ua kēnā kanaka me kaʻulaʻula lauoho, a " 'aʻole e pili ana" Hoa, e nā moku halihali mokulele o ka mutated'ōewe me ka hōmona mea loaʻa kuleana no ka pigmentation.

posterior lobe

Hormones vasopressin a me ka oxytocin e hua mai hoʻi lobes, i mea i ka pituitary gland. He aha ka mea, ka mea kā lākou hana? Lākou mau papa kuhikuhiE hana - e komo i loko o ka rula o ke koko,, Muscle leo, ka wai pūnao. Ka mea, i kekahi kuleana no ka hana ana i ka wahine nā loko, ipu koko, kekahi manaʻoʻike oihana a me ke koko clotting.

Mai oxytocin e kaukaʻi Muscle contraction o uterus pā, liʻiliʻi, gallbladder, ka mea, ua komo i loko o ka auaaeaiea o ka waiu ducts, Aia maloko o ka umauma.

Ke kūlana o ka vasopressin mea i loa nui. Ua regulates ke kaʻina hana o ka mimi ho okumu a me ka wai-akai kaʻina hana i loko o ke kino. Inā ia koke aɃe hana mai, ia e ia i hōʻeleu no ka hooulu ana i na maʻi like mimikō insipidus, a ua pili i ka lilo kiʻekiʻe o ka loli.