Follicular phase

 

This is the phase of the menstrual cycle which comes before ovulation. It is characterized by increased production of estrogen due to the influence of follicle stimulation hormone produced from the pituitary gland. FSH reaches a peak shortly about ovulation period and it drives folliculogenesis from primary follicle to the point of Graafian follicle just before ovulation.

The uterus contains gland epithelial cells in various stages of the menstrual cycle. It also contains the specially functional myocytic cells in the myometrium. The proliferative endometrial cells contain numerous organelles to aid in the production of secretions as follows- numerous Golgi, rough endoplasmic reticulum, mitochondria, and free ribosomes. They also possess few apical microvilli and some glycogen granules and they maintain contact with each other through tight and gap junctions.

 

 

                                           

 

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