Histology Female Reproductive Anatomy
Simple cuboidal cells that cover the surface of the ovary derived from mesoderm. 70% of ovarian cancers happen here.
dense CT in which follicles are developing in ovary
region of the ovary containing oocytes
Is the inner core of the ovary that contains large blood vessels.
large primary oocytes surrounded by a single layer of squamous-shaped follicle cells.
Describe Primordial Follicle
What Stage of Meiosis are the oocytes of primordial follicles?
The oocytes become larger and the follicle cells are activated and become cuboidal follicular cells; this type of follicle is a unilaminar primary follicle.
What does granulosa cells secrete?
between the oocyte and inner layer of granulosa cells.
androstenedione (precursor for estradiol)
What does theca interna secrete?
layers concentrically around the follicle.
fibrous CT forms concentrically around the theca interna
The characteristic is the formation of cavities (may be multiple or a single large one).
liquid inside antrum
which is a mound of granulosa cells that contain the oocyte (which now grows no larger) and projects into the antrum
The layer of granulosa cells immediately around the oocyte.
The non-cumulus portion which makes up most of the thin wall of the follicle.
Masses of former granulosa cells that occur between developing follicles.
Degenerating Corpus Luteum
Degenerating Corpus luteum
Most of the cellse in the Corpus Luteum are enlarged, fatty looking and light stained
Granulosa Lutein Cells
thin dark layers of cells form partitions in the corpus luteum
Theca lutein cells
remnant of the greatly thickened basement membrane between the granulosa cells and theca interna
The tall, narrow, dark-staining non-ciliated secretory cells, which provide nutrients for the ovum
that beat synchronously to move ovum toward uterus
Where are arcuate arteries and veins located?
supply basal layer of endometrium
supply functional layer of endometrium
Invaginations of the uterine epithelium (simple ciliated columnar) form the uterine glands, which are inactive at this time
Proliferative (follicular) phase of Uterus
characterized by edema and long, tortuous the glands with glycogen in the lumen. The lumen of the gland is also jagged, unlike during the proliferative phase. Blood vessels occur in the endometrium
Secretory (luteal) phase if Uterus
is characterized by sloughing of the functionalis layer of the endometrium, leaving behind only the basal layer of epithelium. The stumps remaining of the glands contain blood and glycogen. The coiled arteries had vasoconstricted at the base to make the functionalis ischemic, while the straight arteries continue to supply the basalis.
Menstrual phase of Uterus
The wall is a thick fibromuscular coat with small vessels and coiled arteries.The epithelium is still simple ciliated columnar, but secretes mucus. This epithelium extends to the opening into the vaginal cavity. From this point on, the epithelium becomes stratified squamous.