Extra Embryonic Membranes Human Reproduction தமிழ்

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What are Extra embryonic membranes? NCERT Class 12 Biology • Extra Embryonic Membranes in Tamil • Human Reproduction Chapter 3 Biology Class 12, • Structure and Functions of Amnion, Chorion, Allantois and Yolk Sac in Tamil • Download Lecture notes here: • https://drive.google.com/file/d/1NnH-... • Chapter Human Reproduction- Topic wise lessons • ▶ Male Reproductive System: • Male Reproductive System | Class 12 B... • ▶ Female Reproductive System: • Female Reproductive System | Class 12... • ▶ Mammary Glands: • Mammary Glands | Female Reproductive ... • ▶ Spermatogenesis: • Spermatogenesis | NCERT Class 12 Biol... • ▶ Hormonal Control of Spermatogenesis: • Hormonal Control of Spermatogenesis |... • ▶ Structure of Sperm: • Structure of a Sperm Cell - Class 12... • ▶ Oogenesis and Folliculogenesis: • Oogenesis and Folliculogenesis | C... • ▶ Menstrual Cycle : • Menstrual Cycle and its Hormonal Cont... • ▶ Structure of Ovum: • Structure of a Human Egg (Ovum) in T... • ▶ Fertilization: • Fertilization - Human Reproduction, C... • ▶ Implantation: • Blastulation and Implantation | Huma... • ▶ Placenta structure: • Placenta- Structure and Functions in... • ▶ Extra Embryonic Membranes: • Extra Embryonic Membranes | Human Rep... • ▶ Gastrulation: • Gastrulation and Embryonic Developmen... • ▶ Parturition: • Parturition | Human Reproduction | C... • ▶ Lactation: • Lactation and its Hormonal Control ... • • Reproduction in Organisms- Complete Playlist: • • Reproduction in Organisms | Introduct... • Reproduction- Complete Playlist • • Sexual Reproduction - Reproduction i... • Our English Channel: / @neetbiologyexpert571 • Extraembryonic membranes are the layers enclosing the embryo inside the uterus • Chorion, Amnion, Allantois and yolk sac are extra embryonic membranes. They are developed from trophoblasts. Present in mammals, birds, reptiles (amniotes) • Extraembryonic membrane walls are made up of two layers: a germ layer and a lining of another • •Splanchnopleuric : Inner- endoderm; Outer- mesoderm • •Somatopleuric: Inner- mesoderm; Outer- ectoderm • 1.Yolk Sac: Yolk sac is formed by Inner- Endoderm; Outer- mesoderm (splanchnopleuric). Initially yolk sac is larger, after 8 weeks’ size reduced and form into a tubular structure. Well developed in bird and reptiles, has cleidoic egg (self-sufficient): Yolk sac stores food, digests, absorbs and passes to embryo.Behaves like extraembryonic gut. • 2. Allantois:is a solid cylindrical mass, formed by Inner- Endoderm; outer- mesoderm (splanchnopleuric). Allanotis stores nitrogenous wastes. Allantois works well in reptiles, birds and prototherians. • 3.Amnion: Amnion is formed by inner- Ectoderm; outer- mesoderm (somatopleuric). Between the embryo and amnion is amniotic cavity . Amniotic cavity has amniotic fluid secreted by amnion and fetus. Well developed in amniote (mammals, birds, reptiles). Fetal cells are present in amniotic fluid. Ex-foliated fetal cells are used in a technique called amniocentesis. • 4. Chorion: Chorion is outermost layer surrounding embryo. Formed by inner- mesoderm; outer- ectoderm (Somatopleuric). Chorion helps in gaseous exchange. Acts as extra embryonic lungs in reptiles, birds and prototherians. In human, after implantation, trophoblast give rise to finger like projections, chorionic villi. • what are extra embryonic membranes give their details, Human Reproduction - Extra Embryonic Membrane, Extraembryonic membrane | amnion chorion allantois yolksac , EEM, organs from germ layers, extraembryonic Membranes - Human Reproduction Class 12 Biology, Developmental biology Extra embryonic membrane in human, Zoology Extra Embryonic Membrane, Developmental Biology, NEET Biology Reproduction : Fetal / Extraembryonic membranes, Development and Functions, Extra embryonic membranes or foetal membranes Developmental biology, General Embryology Gastrulation, FORMATION OF EXTRA EMBRYONIC MEMBRANES IN HUMAN,Extra-Embryonic Membrane ,Amnion,Yolksac, Allantois, Chorion ,Extra Embryonic Membrane, Types and Physiology of Placenta • Extraembryonic membranes , Development and Functions in Tamil, Bio-XII gastrulation extra embryonic membranes, cavities, development of the placenta and fetal membranes, HUMAN REPRODUCTION, Extra embryonic membranes, Structure of a full term placenta , Extra-embryonic vascular system , Pregnancy and Embryonic Development , embryonic development, Implantation Pregnancy , Human Reproduction Biology Class 12 in Tamil, Difference Between Amnion and Chorion, The Placenta: Its Development and Function, Development of chorionic sac, extra embryonic membrane class 12, functions of amnion, chorion, yolk sac, allantois. • #NEETBiologyTamil • #ExtraEmbryonicMembrane • #HumanReprodcutionClass12 • #ExtraEmbryonicMembraneClass12 • #EEM • #DevelopmentalBiology • #amnion • #chorion • #Allantois • #yolksac • #NEET • #TNSCERT • #SCERT • #Pregnancy • #CBSEClass12Biology • #PlacentaNCERTClass12 • #ImplantationAndPlacenta • #HumanReproductionClass12 • #PregnanacyAndEmbryonicDevelopment • #NEET • #NCERT • #TNPSCBiology • #TNSCERT • #BiologyLEctures • #BioZoology • #Class12Biology • #NEETBiology • #CBSEClass12Biology

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