Embryology
IntroductionEmbryology: To study the initiation, development ofembryo and the related mechanismsDescriptiveReproductiveExperimentalDollyEmbryologyMolecularComparativeChemicalTeratologyIVF
Reproductive Molecular Teratology Chemical Comparative Experimental Descriptive Embryology Dolly IVF Embryology: To study the initiation, development of embryo and the related mechanisms. Introduction
9W- birth0-1 W2-8 WEmbryonicFetalPreembryonic38 weeksParturitionFertilizationPeri-natal period:26 W-7 Days after delivery
Preembryonic Embryonic Fetal 2-8 W 9W- birth 0-1 W 38 weeks Fertilization Parturition * Peri-natal period: 26 W-7 Days after delivery
What are we gonna learn?·GeneralEmbryology..Germ cells and fertilization..Cleavage..Blastocyst formation..Implantation..Formation & differentiation of germ layers.. The fetal membrane and placenta·SpecialEmbryology..Cardiovascular system..Urogenital system..Digestive system and respiratory system
• General Embryology . Germ cells and fertilization . Cleavage . Blastocyst formation . Implantation . Formation & differentiation of germ layers . The fetal membrane and placenta • Special Embryology . Cardiovascular system . Urogenital system . Digestive system and respiratory system What are we gonna learn?
Several concepts (P392)Cell divisionDifferentiationApoptosisCell movementsInductionMorphogenesisCellularinteraction
Several concepts (P392) Cell division Differentiation Apoptosis Cell movements Induction Morphogenesis Cellular interaction
Tips for LearningBetterUnderstanding!Four “"W":when? where? what? Why?XDynamic processes with multiple simultaneouschanges:3D models and animations will facilitatethe active learning greatly.Pleaserefer to the websites below:http:/www.med.upenn.edu/meded/public/berplhttp://simbryo.stanford.edu/previewindex.htmlhttp://www.indiana.edu/-anat550/genanim
※Dynamic processes with multiple simultaneous changes; 3D models and animations will facilitate the active learning greatly. Tips for Learning Better Understanding nderstanding! Four “W”:when? where? what? Why? http://www.med.upenn.edu/meded/public/berp/ http://simbryo.stanford.edu/previewindex.html http://www.indiana.edu/~anat550/genanim/ Please refer to the websites below:
Genernal Embryology
Genernal Embryology
1.Gametogenesis&FertilizationGametogenesisFormation & maturation of the gametes;OvumSpermatozoon(1n)(monoploid, 1n)
1. Gametogenesis & Fertilization Gametogenesis Spermatozoon Ovum (monoploid, 1n) (1n) Formation & maturation of the gametes;
OogoniumSpermatogoniummitosisfetal periodmitosispubertyPrimaryspermatocyPrimary oocytepubertymeiosis 1meiosis 1SecondaryoocyteSecondaryspermatocytfertilizationmeiosis2meidsis 222+X)(22+Y)MatureovumPolarbodiesSpermatids(22+X)(22X)+
FertilizationThe process by which a sperm penetrates intoan ovum to form a zygote.Oviductampulla? Where:? When:12-24h-Initiation ofthenew life!!
The process by which a sperm penetrates into an ovum to form a zygote . -Initiation of the new life!! Fertilization ? Where: ? When: Oviduct ampulla 12-24 h