CAPS 390 Lecture Notes - Lecture 36: Simple Columnar Epithelium, Simple Squamous Epithelium, Lamina Propria
18 Nov 2015
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Lect 36 female reproduction ii (nov 26, 2014, dr. roskelley) Ch 20 pp 474-480; pg 484-488 (note that pp 480-384 were covered in development lectures) Usual site of fertilization though not implantation. Ciliated simple columnar epithelia (cilia move oocyte or fertilized egg towards uterus). Non-ciliated peg" cells secrete nutrients for oocyte & glycosidases to capacitate spermatozoa (unmask zp3 receptors on head). Prominent muscularis layer; poorly defined layers of smooth muscle. Rhythmically contracts to move oocyte towards uterus. Loose connective tissue adventitia (covered by simple squamous epithelium). Site of implantation and placental development (normally in uterine body but can occur in fundus). Spermatozoa enter & term infants exit via cervix. The wall of the uterus has 3 layers (described below from inside-out): endometrium (=mucosa): simple columnar epithelium with simple tubular exocrine glands that secrete nutrients (also contains highly vascularized loose connective tissue (= lamina propria)). Phase 1 - menses (day 1-4): results in bleeding.
