Summary

This document details embryonic development, covering topics like ovum formation, fertilization of egg and sperm, and the formation of various tissues. It also touches upon the development of the placenta and the establishment of germ layers.

Full Transcript

Embryogenes-the - ②yanogenes - The process there development of embo of formation of organs from formation and gam layers an -> Process of formation and develop me te - formation of development of -rouss I and an awm Ovum is a haploid cell developing - cell oocyte...

Embryogenes-the - ②yanogenes - The process there development of embo of formation of organs from formation and gam layers an -> Process of formation and develop me te - formation of development of -rouss I and an awm Ovum is a haploid cell developing - cell oocyte mature egg-avum . and -formation development spem spens is a haploid of cell . - Acosome are a contains enzymes a through pelicuda thezona . - singular for spmatozoa - first menstruation mature egg released fram the ovaly no - mole menstrations - theoraly in the is located pehic cavity Ovalian repeats 28 cycleevery The in preparation for eeduction days Luteal Phase Ruptured geauth and matuation Follicle . Fimbrar they an . (yellowish) Capus Leteum [secutes are bring (i futilization progesterone) mobile in order to it catch oocytes and inside the orduct - of docyte and tilization ful doesn't occu) Coy cus albicang I degeneration Follicl Stimulating Harmone ,- - Luteinizing - Hamone Colona Penetration do R Penetration o 2 . p Fusion ob Spre and oocyte Radiate Follicular cells, nutrition and protection o the accyte . 2 - 4 blastomers 16 - - 22 - - blatory MORULA 2 cellular masses - Inner cells of cell mass-tissues moula-inner ↳ outs cell mass , later contributs to Refer to embugo proper I hophoblast O diagram . of the placenta quotien accumulates vibrine - anTabl End of 1 week and mounta through blastacyst A zygale staye , implantation begins in - - the uteine mucosa pellucida disappears teophoblastic cells Isenetrate the epithelial B- The zona cells of , the uteline mucosa . 6 day . embryoblast epiblast Tupoblast Blastocyst embryoblast - / / epiblast Trophoblast / Cytrotrophoblast / Charion I which produces progesterone I Synctionophoblast I leads to the formation Placenta op hypoblast W I Both constitute . to Bilaminal Gem disc N fluid amnioticthe Protects b embryo ↑ from injury hypoblast epiblast Bilaminal Gem dis Bilaminal geist x x Y syncytio- tophoblast Iytata e establishment - endo , inner mat michdle meso , ecto-dem external most endo-meso I ectodum I non-migeting da migrating cells layer de , The notochord endodem is , formed by the candidusual system comes from the mesoderm all cust Nemal cells . To Mesenchyme I give eise ↑ Angiogenic cell I flatten and bou zewars t RBC WBLs ⑨V @° ° >!

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