Oviduct histology Flashcards
What are the divisions of the oviduct?
Ampulla
Isthmus
Intramural portion
How is the intramural segment different from the isthmus and ampulla hisotologically?
No folds (almost) No cilia
What is outside the mucosa in the oviduct?
Lamina propria
Thick muscularis
When does tubular peristalsis occur?
Luteal phase
What are the anatomic divisions of the uterus?
Body
Fundus
Cervix
What are the layers of the uterus?
Endometrium (mucosa)
Myometrium (muscularis)
Perimetrium (serosa)
What is the epithelium like in the endometrium?
Simple tubular glands
Simple columnar epithelium with cilia
What are the zones of the endometrium?
Basal layer
Funcional layer
What is the role of the basal layer?
Not shed during menstruation
Regenerates functional layer
What are the two layers within the functional layer?
Superficial compact layer
Deep spongy layer
What changes do the smooth myocytes undergo during pregnancy?
Hypertrophy (~10x)
Hyperplasia
Where does the blood supply come from for the endometrium?
Uterine arteries
Arcuate arteries
Spiral arteries/Straight arteries
Capillaries
What are the five phases to the menstrual cycle?
Proliferative phase Secretory phase Premenstrual phase Menstrual phase Repair phase
What is the predominant hormone in the proliferative phase?
Estrogen
What is the predominant hormone in the secretory phase?
Progesterone