User:Z3186755

From Embryology
Revision as of 19:58, 18 August 2010 by Z3186755 (talk | contribs)

Attendance

--z3186755 23:42, 28 July 2010 (UTC)

--3186755 23:15, 4 August 2010 (UTC)

--3186755 23:28, 11 August 2010 (UTC)


Lab Questions

Lab 2 Questions

1.What factor do the synctiotrophoblast cells secrete to support the ongoing pregnancy?

secrete Human Chorionic Gonadotropin (hCG)


2.What does the corpus luteum secrete to prevent continuation of the menstrual cycle?

produces progesterone and estrogen


Lab 3 Questions

1. What Carnegie stages occur during week 3 and week 4?

Week 3: Carnegie Stages 7 - 9, hallmark features that occur during these stages include gastrulation, development of the notohord and placentation

Week 4: Carnegie Stages 10-13, hallmark features include initial development of the heart, pharyngeal arches and placodes


2. What is the change in overall embryo size form the beginning of week 3 to the end of week 4?

Start of week 3 - stage 7: embryo diameter of 0.4mm

End of week 4 - stage 13: embryo diameter between 3-5mm


3. Approximately when do the cranial (anterior) and caudal (posterior) neuropores close in the human embryo?


bewbewbew

smh


Extra Stuff

blablabla


Picture

Early zygote.jpg