ग्रन्थि
granthi (aangrezi: Gland) kisi jiv ke us aang ko kahate haian jo harmon, doodh adi ka sanshleshan karati haian. is lekh mean manav sharir ki granthiyoan se sambandhit janakari di gee hai. jivoan ke sharir mean visheshataya do prakar ki haian. ek ve jinamean strav banakar vahini dvara bahar a jata hai. doosari ve jinamean bana strav bahar n akar vahian se sidha rakt mean chala jata hai. ye aant: stravi granthiyaan kahalati haian. kuchh granthiyaan aisi bhi haian jinamean donoan prakar ke strav banate haian. ek strav vahini dvara granthi se bahar nikalata hai aur doosara vahian rakt mean avashoshit ho jata hai.
lasika granthiyaan
sharir mean sabase adhik sankhya lasika granthiyoan ki hai. ve asankhy haian aur lasika vahiniyoan (Lymphatics) par sarvatr jahaan tahaan sthit haian. aang ke jo doan par tatha udar ke bhitar amashay ke charoan or aur vaksh ke madhyaantaral mean bhi inaki bahut b di sankhya sthit hai. ye vahiniyoan dvara paraspar ju di huee haian. vahiniyoan aur in granthiyoan ka sare sharir mean raktavahikaoan ke saman ek jal phaila hua hai. ye lasika granthiyaan matar ya chane ke saman chhote, lanbotare ya aandakar piand hote haian. inake ek aur prishth par halaka gadha sa hota hai, jo granthi ka dvar kahalata hai. isamean hokar raktavahikaean granthi mean ati haian aur bahar nikalati bhi haian. granthi ke doosari or se apavahini nikalati hai, jo lasika ko bahar le jati hai aur doosari apavahiniyoan ke sath milakar jal banati hai. granthi ko katakar sookshmadarshi dvara dekhane se usamean ek chhota bahy praant dikhaee p data hai, jo praantasth (karateks, cortex) kahalata hai. granthi mean ane vali vahikaean isi praantasth mean khulati haian. granthi ka bich ka bhag aantasth (Medulla) kahalata hai, jo dvar ke pas granthi ke prishth tak pahuanch jata hai. yahian se apavahini nikalati hai, jo lasika aur granthi mean utpann hue un lasika stravoan ko le jati hai jo aant mean mukhy lasika vahini dvara madhyashira mean pahuanch jate haian.
any granthiyaan
yakrit sharir ki sabase b di granthi kahalati hai. pliha, agnyashay, aandagranthi, dianbagranthi, in sabaki granthiyoan mean hi ganana ki jati hai. amashay ki bhittiyoan mean bahusankhya mean sthit pachan granthiyaan jathar ras ka nirman karati haian. isi prakar sare kshudraant ki bhittiyoan mean sthit asankhy granthiyaan bhi rasotpadan karati haian, jo aantr ke bhitar pahuanchakar pachan mean sahayak hota hai. karnamool, jihvaghar tatha adhohanu granthiyaan lalaras banati haian, jisaka mukhy kam karbohaidret ko pachakar glookoz ya deksatroz banana hai. tvacha bhi asankhy sookshm granthiyoan se paripoorn hai, jo sved tatha tvagvasa (Sebum) banati haian.[1]
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sanbandhit lekh
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