Which of the followings can develope into the embryo?()
A: The inner cell mass
B: The zona pellucida
C: The trophoblast
D: The blastocyst cavity
E: The morula
A: The inner cell mass
B: The zona pellucida
C: The trophoblast
D: The blastocyst cavity
E: The morula
举一反三
- Which are essential condition of Implantation? A: The disappear of zona pellucida B: Syncytiotrophoblast is derived from the cytotrophoblast C: The synchronized development of blastocyst and endometrium and function in coordination. D: The pregnant women can produce enough progesterone E: The pregnant women can produce enough estrogen
- In mammalian development,<br/>which of the following is in the correct chronological order of event:_____ A: blastocyst, zygote, 4-cell,<br/>compacted morula B: zygote, 4-cell, compacted<br/>morula, blastocyst C: compacted morula,<br/>blastocyst, zygote, 4-cell D: 4-cell, compacted morula,<br/>blastocyst, zygote
- Not contained in primary follicles A: Primary oocyte B: Follicular cell C: Zona pellucida D: Cumulus
- Which of the following is wrong about the development of fertilized eggs? A: Zona pellucida reaction ensures single egg fertilization B: Egg swims in the fallopian tube and divides twice a day C: Egg moves in the fallopian tube and divides with its volume increasing D: Fertilized egg runs in the fallopian tube for 72 hours E: On the 4th day after fertilization, morula enters the uterine cavity
- Embryonic stem cells (ES cells) are pluripotent stem cells derived from the outer cell mass of a blastocyst, an early-stage pre-implantation embryo._