
metrotrophy

matridurbhiksh jeev key vikas key dauran maatri dekhbhal kaa ack roop haye, joe jeevit janm (jeevata) seey judaa hotaa haye, jisamen ack janwar yaa phool vaale paudhe key bhroon koo maan seey atirikt poshan (jaise.jee. ack naal key madhyam seey). ise lacithotrophy key saath vipareet kiya jaa sakata haye, jisamen bhroon key liye poshan kaa ekmatra srot mool roop seey isake andey key bheetar nihit jardi haye.
vanaspati prajanan.
paudhon mein, bhroon kii utpatti seey pahale ack mahatvapurna vikaasvaadi vikas maanaa jaataa haye aur isaliye bhoomi paudhon key vikas key liye aavashyak haye. metrotrophy koo peedhigat junction key ack yaa donon taraf koshika vigyaan aur avasanrachanaatmak sanshodhanon dwara sugam banaaya jaataa haye, ack kshetra jise placenta kahaa jaataa haye. placental koshikaon kii visheshagyata unake koshika sambandhi aur avasanrachanaatmak visheshtaon seey sambandhit haih koshika-dravya aksar ghaney aur lipid seey samriddh hotey hain, vacule aamtaur parr cumm hoe jaataa haye lekin "sphagnum" mein badaa hotaa haye, endoplasmic reticulum vyaapak, mitochondria kaee aur badey, chloroplast kaee, aksar cumm bhinn, lipid seey bharey globuli seey samriddh aur kabhi-kabhi starch seey bharaa hotaa haye.
pashu prajanan.
jabaki aamtaur parr kasheruki jeevon aur vishesh roop seey standhaariyon key saath judaa huaa haye, 34 pashu varg mein seey 21 mein matridugdhata paaee jaati haye, aur unamen seey 11 mein kaafee aam haye. yeh cordata key bheetar 150 seey adhik clades mein aur aksheruki jeevon key beach 140 seey adhik clades mein swatantra roop seey utpann huaa haye.