12 Questions
What characterizes the first trimester of embryonic development?
Formation of essential organs
What is the main role of oxytocin during labor?
Stimulating the uterus to contract
Which process involves unspecialized embryonic cells transforming into specialized cells, tissues, and organs?
Differentiation
What marks the beginning of the second trimester of pregnancy?
Maternal ability to feel fetal movements
What is the main function of the placenta during embryonic development?
Absorb food and oxygen from the mother's blood
Which stage of labor involves the delivery of the placenta?
Expulsion
What is the key characteristic of the morula stage in embryonic development?
Formation of a solid ball of cells
Which event occurs during the gastrulation phase of embryonic development?
Development of ectoderm, endoderm, and mesoderm layers
Which process leads to the development of a blastocyst from the morula?
Epithelial cellular layer formation around the morula
What is the role of human chorionic gonadotropin (hCG) in embryonic development?
To prevent menstruation and initiate pregnancy
How is a blastula different from a morula in terms of structure?
A blastula has a hollow center filled with fluid, while a morula is a solid ball of cells.
Which statement accurately describes the process during the morula stage?
Division process continues forming a solid ball of cells.
Learn about the morula and blastula stages of embryonic development. Understand how a single-cell zygote develops into a solid ball of cells and further transforms into a hollow sphere of cells during these early stages of development.
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