User:Z3291079: Difference between revisions
No edit summary |
|||
| Line 7: | Line 7: | ||
--[[User:Z3291079|z3291079]] 22:58, 11 August 2010 (UTC) | --[[User:Z3291079|z3291079]] 22:58, 11 August 2010 (UTC) | ||
--[[User:Z3291079| | --[[User:Z3291079|z3291079]] 23:05, 18 August 2010 (UTC) | ||
==Lab Week 2== | ==Lab Week 2== | ||
Revision as of 09:06, 19 August 2010
Attendance
--z3291079 23:44, 28 July 2010 (UTC)
--z3291079 23:04, 4 August 2010 (UTC)
--z3291079 22:58, 11 August 2010 (UTC)
--z3291079 23:05, 18 August 2010 (UTC)
Lab Week 2
Internal Link Cell Division Lecture
External Link SMH
Link for Fertilisation information
Picture
Lab 2 (Week 3) Questions
1. What factor do the synctiotrophoblast cells secrete to support the ongoing pregnancy?
They secrete Human Chorionic Gonadotropin hormone (hCG).
2. What does the corpus luteum secrete to prevent continuation of the menstrual cycle?
The corpus luteum secretes estrogen and progesterone hormones.
Lab 3 (Week 4) Questions
1. What Carnegie stages occur during week 3 and week 4?
Week 3 - stages 7, 8 & 9
Week 4 - stages 10, 11 & 12
2. What is the change in overall embryo size form the beginning of week 3 to the end of week 4?
Ranges from 2.6mm - 4.6mm (from 0.4mm in week 3 to 3-5mm in week 4)
3. Approximately when do the cranial (anterior) and caudal (posterior) neuropores close in the human embryo?
Cranial- stage 11 (days 23-26)
Caudal - stage 12 (days 26-30)
