User:Z3288088: Difference between revisions
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1.What Carnegie stages occur during week 3 and week 4? | 1.What Carnegie stages occur during week 3 and week 4? | ||
Stage 7 to Stage 13 | |||
2.What is the change in overall embryo size form the beginning of week 3 to the end of week 4? | 2.What is the change in overall embryo size form the beginning of week 3 to the end of week 4? | ||
Revision as of 20:43, 12 August 2010
Lab Attendance
--z3288088 23:44, 28 July 2010 (UTC)
--z3288088 23:03, 4 August 2010 (UTC)
--z3288088 23:05, 11 August 2010 (UTC)
Lab Week 2
Internal link: Cell Division Lecture
External link: SMH
Renamed internal link: Not Fertilization
Lab Week 3
1.What factor do the synctiotrophoblast cells secrete to support the ongoing pregnancy?
Human Chorionic Gonadotropin (hCG)
2.What does the corpus luteum secrete to prevent continuation of the menstrual cycle?
Progesterone
Lab Week 4
1.What Carnegie stages occur during week 3 and week 4?
Stage 7 to Stage 13
2.What is the change in overall embryo size form the beginning of week 3 to the end of week 4?
2.6-4.6mm CRL (Stage 13, 3-5mm - Stage 7, 0.4mm)
3.Approximately when do the cranial (anterior) and caudal (posterior) neuropores close in the human embryo?
Cranial neuropore - Carnegie Stage 11, approx. 24 days (takes only a few hours to close)
Caudal nueropore - Carnegie Stage 12, approx. 26 days (takes about a day to close)
