Embryology

Reproduction & EmbryologyChapter 46 and 471Asexual ReproductionFissionFragmentation and regenerationBuddingParthenogenesis

2Sexual ReproductionHermaphroditism continualHermaphroditism - sequential

3Animal Reproduction, continuedFertilization: internal vs. externalEnvironmental vs. courtshipOviparous vs. viviparousMonotreme, marsupial, & eutherian mammalsRole of pheromones

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6The Female Reproductive System

7OogenesisControlled by gonadotrophic hormones:FSHLHEstrogenProgesterone

8Types of OvulationReflexogenic OvulatorsPeriodic OvulatorsShort Periodic Ovulators

9Male Reproductive System

10SpermatogenesisIn seminiferous tubulesFSH stimulates Sertoli cellsLH stimulates Leydig cells

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12Fertilization (Fallopian Tubes)

13Blocks to PolyspermyFast block Change in polarizationSlow block Signal transduction pathway

14The Gray Crescent

15Cleavage - Morula

16BlastulaInner mass = future embryoTrophoblast = future placenta, secretes HCG

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18GastrulationProtostomes vs. deuterostomesDorsal lip of the blastopore

19Fate Mapping

20Germ Layers & Organogenesis

21The Primitive Streak

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26Apical Ectodermal Ridge (AER)

27Zone of Polarizing Activity (ZPA)

28The First Trimester

29The Second Trimester

30The Third Trimester

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Labor & Delivery

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