During the Formation of an Embryo, a Hollow Sphere of Cells

question 23

Multiple Choice

During the formation of an embryo, a hollow sphere of cells with a fluid-filled cavity inside is termed a

• A) morula.
• B) blastula.
• C) blastocoel.
• D) gastrula.
• E) neurula.

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Definitions:

Receptors

Proteins on or within cells that bind to specific molecules, initiating a biological response.

Theca Folliculi

A layer of connective tissue surrounding the follicle in the ovary, playing a role in the development and function of the follicle.

Androgens

Male sex hormones, such as testosterone, that regulate the development of male characteristics and reproductive activities.

Mature Follicles

Ovarian follicles that have fully developed and are capable of releasing an egg during ovulation.