18 Questions
During which phase of the menstrual cycle does the corpus luteum reach maximum development if fertilization does not occur?
Luteal Phase
What is the fate of the ovum if it is not fertilized within 24 hours?
Degenerates
Which hormone is responsible for influencing the growth and development of the corpus luteum during pregnancy?
Chorionic gonadotrophic hormone
What occurs to the ruptured Graafian follicle after ovulation?
Collapses and fills with blood to form the corpus hemorragicum
What happens to the corpus luteum if fertilization does not occur?
Degenerates and forms a mass of fibrotic tissue called corpus albicans
When does the ovum form the zygote?
After completion of the 2nd maturation division when fertilized by a sperm
What stimulates a number of primordial follicles to grow at the beginning of each ovarian cycle?
Follicle stimulating hormone (FSH)
Which cells proliferate to form granulosa cells in the follicle development process?
Follicular cells
What differentiates from the connective tissue stroma of the ovary during follicle development into an inner vascular and cellular layer?
Theca interna
Which of the following correctly describes a mature Graafian follicle?
Contains a large antrum filled with follicular fluid
At what stage is the secondary oocyte in a Graafian follicle during ovulation?
Metaphase of its second meiotic division
Which layer surrounds the follicular cavity within the Graafian follicle?
Zona granulosa
What is the main role of estrogen secreted by the mature follicle?
Inhibits FSH secretion and leads to degeneration of other growing 1ry follicles
During ovulation, what happens to the 2ry oocyte?
It arrests in metaphase of meiosis II 3 hours before ovulation
What is responsible for the proliferative changes of the endometrium of the uterus?
Estrogen secreted by the mature follicle
What stimulates the secondary follicle to grow rapidly during the ovarian cycle?
FSH
What happens to the body temperature at the time of ovulation?
It slightly elevates
Where does the 2ry oocyte go after being liberated into the peritoneal cavity?
It is picked up by the fimbriated end of the fallopian tube
Test your knowledge on what happens to the ovum after fertilization or if not fertilized within 24 hours, and the phases of luteal phase including the formation of corpus luteum. Learn about the maturation division, zygote formation, and degeneration processes.
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