Notes in EMBRY1 Fertilisation and Implantation (Isaac)

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Status	Last Update	Fields
Published	02/20/2024	Oogenesis, primordial follicle stage timeline
Published	02/20/2024	In the primordial stage, each oogonium is surrounded by a single layer of {{c1::granulosa cells}}, forming a {{c1::primordial follicle.}}
Published	02/20/2024	In the primordial stage, oogonia enters {{c1::meiosis 1}} and undergoes DNA replication to then form a {{c1::primary oocyte}}, however it is arrested …
Published	02/20/2024	What happens to oogenesis during the onset of puberty? How are they stimulated? What stage of meiosis do they undergo?
Published	02/20/2024	What happens to the granulosa cells of the oogonia after the onset of puberty (2)?
Published	02/20/2024	How does secondary follicle form
Published	02/20/2024	Only the dominant follicle will become the {{c1::graafian follicle}}, others degenerate.
Published	02/20/2024	The secondary oocyte starts the {{c1::second meiotic division}} however is arrested in the {{c1::metaphase 2 stage}}. It remains arrested until {{c1::…
Published	02/20/2024	What happens when ovum is fertilized (2)
Published	02/20/2024	How many follicles at birth? How is it depleted
Published	02/20/2024	What is unique about chromosomes in nucleus of sperm
Published	02/20/2024	Zona pellucida is composed of...
Published	02/20/2024	functions of each glycoprotein (ZP)
Published	02/20/2024	How does sperm bind to zona pellucida? Sperm receptor, binding sites
Published	02/20/2024	functions of zona (2)
Published	02/20/2024	What does corona radiata contain
Published	02/20/2024	what enzyme plays a role in penetration of corona radiata
Published	02/20/2024	what happens if oocyte not fertilised within 24 hours
Published	02/20/2024	what stimulates ovulation
Published	02/20/2024	where does fertilization occur
Published	02/20/2024	Capacitation
Published	02/20/2024	What triggers acrosome reaction
Published	02/20/2024	3 phases of acrosome reaction
Published	02/20/2024	what happens in acrosome reaction and how is penetration of zona achieved
Published	02/20/2024	summary fertilisation process (8)
Published	02/20/2024	Molecules of the plasma membrane of the sperm head bind to {{c1::integrin}} molecules on the surface of the oocyte.
Published	02/20/2024	preventing polyspermy
Published	02/20/2024	What does Ca2+ wave do to egg and cortical granules
Published	02/20/2024	The secretary products of the {{c1::cortical granules}} diffuse into the zona and {{c1::hydrolyze}} the {{c2::sperm receptor molecules (ZP3 in the…
Published	02/20/2024	Penetration of a sperm rapidly intensifies the {{c1::respiration and metabolism }}of the egg.
Published	02/20/2024	In the mature spermatozoon the {{c1::chromatin}} is very tightly packed due to {{c2::disulfide linkages}} among {{c3::protamine molecules}}. Short…
Published	02/20/2024	How are protamines exchanged for histones? After penetration of sperm
Published	02/20/2024	How is meiosis completed in the egg? What happens when male and female pronuclei come into contact?
Published	02/20/2024	RESULTS OF FERTILIZATION (5)
Published	02/20/2024	Cleavage
Published	02/20/2024	POST-FERTILIZATION EVENTS (6)
Published	02/20/2024	What happens in cleavage? Mass, size
Published	02/20/2024	morula
Published	02/20/2024	blastocyst formation
Published	02/20/2024	implantation time, where does blastocyst attach?
Published	02/20/2024	trophoblast differentiate into? (2)
Published	02/20/2024	What does syncytiotrophoblast do?
Published	02/20/2024	When is blastocyst fully implanted?
Published	02/20/2024	what does embryoblast (inner cell mass) produce
Published	02/20/2024	epiblast potency and produces what layers
Published	02/20/2024	Hypoblast goes on to form...
Published	02/20/2024	Pluripotency vs Totipotency
Published	02/20/2024	bilaminar vs trilaminar vs organogenetic time (Weeks)
Published	02/20/2024	Fetal period
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