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09 · SMB2 · Cellule, tissus & développement · 09E.03 · Développement — semaines 1 et 2 · all pages
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09E.03 · Développement — semaines 1 et 2

Development — weeks 1 and 2

Mécanisme du développement · 87 pages

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Weeks 1 & 2 Overview
1Weeks 1 & 2 Overview
Week 1: Timeline
2Fertilization to hatching
Week 1: Segmentation
3Cleavage without size increase4IVF stage timeline
Week 1: Blastocyst
5Murine blastocyst (image)
Week 1: Summary
66-step sequence
Week 1: Segmentation
7Cleavage rate; genome activation8Genomic imprinting; methylation9Totipotency to 8-cell stage10Preimplantation diagnosis
Week 1: Morula
11Compaction12Two cell lineages13Compaction (image)14Compaction to cavitation15Cavitation
Week 1: Blastocyst
16Structure; ICM pluripotency17Labeled structure (image)18Regulative development19Chimera: blastocyst injection20Chimera: fluorescent model21Chimera result (image)22Tetraploid complementation
Week 1: Morula
23Inside-outside hypothesis
Week 1: Blastocyst
24Hatching; epiblast/hypoblast25Endometrial adhesion
Week 1: Trophoblast
26Cytotrophoblast; syncytiotrophoblast27Syncytiotrophoblast invasion28Primate vs. mouse invasion29Syncytin (ERVWE gene)
Week 1: ICM Differentiation
30Epiblast and hypoblast31Progressive ICM sorting
Week 2: Overview
32Week 2: Overview337-event sequence
Week 1: Summary
34Ovary-to-uterus diagram
Week 2: Overview
35Sagittal sections (days 7.5, 12, 15)
Week 2: Implantation
36Normal location37Steps days 5–838Day 7 histology39Steps days 5–1440Lacunae days 9–1341Primate depth comparison
Ectopic Pregnancy
42Sites overview43Types; lithopedion44Interstitial, abdominal, ovarian
Week 2: Implantation
45Summary46Day 7–8 embryo (image)47Day 13 histology (image)48Immune tolerance; HLA-G49Stem cell epiblast model
Week 1: Summary
50Lineage diagram
Week 2: Bilaminar Disc
51Amniotic cavity formation52Histology (image)53Amnion formation54Amnion; primitive yolk sac
Week 2: Extraembryonic Mesoderm
55Heuser's membrane; primary yolk sac
Week 2: Extraembryonic Coelom
56Day 11: spaces appear57Day 13: chorionic sac; abdominal stalk
Week 2: Secondary Yolk Sac
58Formation; primary yolk sac separates59Hypoblast migration
Week 2: Extraembryonic Mesoderm
60Somatic vs. splanchnic; chorion
Week 2: End of Week 2
61Week 2: End of Week 2
Week 2: Bilaminar Disc
62Oropharyngeal membrane
Week 1: Summary
63Lineage overview (variant)
Week 2: Bilaminar Disc
64Anteroposterior axis
Week 2: Research Context
6514-day rule; stem cell models66Synthetic embryos (2023)
Twin Pregnancies: Overview
67Dizygotic twins
Twin Pregnancies: Dizygotic
68Dichorionic diamniotic
Twin Pregnancies: Monozygotic
69ICM division; blastocyst stage70Monochorionic diamniotic71Early blastomere separation72Dichorionic diamniotic (early split)73Disc division; monoamniotic74Conjoined twins
Twin Pregnancies: Overview
75Statistics
Twin Pregnancies: Monozygotic
76Conjoined twins (image)
Twin Pregnancies: Chimerism
77Embryo fusion78XX/XY chimera79IVF chimera case study80Human chimerism cases81Identity; chimerism prevalence82Pre-embryo concept; PGD ethics
Microchimerism
83Fetal-maternal cell transfer84Family-tree transfer diagram85Maternal health effects
Twin Pregnancies: Overview
86Summary diagram87Twin Pregnancies: Overview