A primary influence in the folding of the trilaminar disc is the growth of the nervous system
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Disturbances in the 3rd week of development may affect the p…
Disturbances in the 3rd week of development may affect the process of neurulation and would not have significant impacts on the embryo.
Trophoblast cells in the morula give rise to the epiblast an…
Trophoblast cells in the morula give rise to the epiblast and hypoblast
Proteolytic enzymes released from the acrosome of the sperm…
Proteolytic enzymes released from the acrosome of the sperm form a pathway through the zona pellucida to allow for fertilization of the egg.
Each of the following structures is derived from the neural…
Each of the following structures is derived from the neural crest EXCEPT:
During the 4th-8th weeks, all major organ systems begin to d…
During the 4th-8th weeks, all major organ systems begin to develop from the three germ layers: Ectoderm, Mesoderm, and Endoderm
The fetal part of the placenta is formed by the:
The fetal part of the placenta is formed by the:
Amniocentesis is commonly used to
Amniocentesis is commonly used to
Primary oocytes remain dormant in ____ of Meiosis I until __…
Primary oocytes remain dormant in ____ of Meiosis I until ___.
At the end of the 1st week of development, the trophoblast d…
At the end of the 1st week of development, the trophoblast differentiates into which two layers: