Embryology- The Semen Flashcards
Semen
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Composition of semen
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Where does the maturation of sperm occur?
:
Terms to evaluate fertility
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Describe insemination
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What occurs as sperm pass through the female genital tract
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Describe oocyte transport
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What is fertilisation?
Process by which Male and female gametes fuse
Basic events during fertilisation in mammals
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How does the speed penetrate the Zona pellucida?
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How does the sperm bind to the Zona pellucida?
With Zona pellucida proteins
What occurs after sperm binding to the Zona pellucida?
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Describe Sperm oocyte fusion
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What prevents additional sperm from entering the oocyte?
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What does sperm provide to the zygote?
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What are the stages of prenatal development?
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The preembryonic stage
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Cleavage
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Morula
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What does the morula develop into?
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What is implantation?
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What are the steps in implantation?
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What do trophoblast cells secrete?
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Changes In uterine mucosa and ovary with time
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Summary of development in 1st week
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List the main processes involved in the 2nd week of development
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What two layers does the trophoblast produce?
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Describe the trophoblast layers
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Describe the inner mass layers
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What do the Epiblast and hypoblast form?
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Describe the formation of the amniotic cavity
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Formation of primary yolk sac
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Trophoblast lacunae
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What is the Extraembryonic mesoderm?
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What layers does the extraembryonic mesoderm form?
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What occurs after pinching off of the primary yolk sac?
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What is the connecting stalk?
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What forms primary villi?
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A overview of derivation of structures in the 2nd week
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Abnormal blastocysts
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From egg to embryo
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What is in vitro fertilisation?
Process in which eggs are fertilised by sperm outside the female reproductive tract
Types of animal cloning
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