BGDA Practical - Female Reproductive Tract Histology: Difference between revisions
From Embryology
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! Mucosa | ! Mucosa | ||
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| [[File:Uterine_tube_histology_02.jpg| | | [[File:Uterine_tube_histology_02.jpg|350px]] | ||
| [[File:Uterine_tube_histology_03.jpg| | | [[File:Uterine_tube_histology_03.jpg|350px]] | ||
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===Muscularis=== | ===Muscularis=== | ||
* inner circular muscle layer and an outer longitudinal layer. | * inner circular muscle layer and an outer longitudinal layer. | ||
* inner longitudinal layer is present in the isthmus and the intramural part. | * inner longitudinal layer is present in the isthmus and the intramural part. | ||
* peristaltic muscle action for the transport of spermatozoa and oocyte. | * peristaltic muscle action for the transport of spermatozoa and oocyte. | ||
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===Mucosa=== | ===Mucosa=== | ||
* ciliated and secretory epithelium resting on a cellular lamina propria. | * ciliated and secretory epithelium resting on a cellular lamina propria. |
Revision as of 18:36, 7 May 2013
Introduction
This current page provides background support information for Medicine phase 1 BGD Histology Practical Virtual Slides. Page does not form part of the BGDA practical class virtual slides.
- Virtual Slides: Female Histology
- Draft page (notice removed when completed).
Objectives
- Gain an overview of the microanatomy of the female reproductive system.
- Undertake a microscopical examination of the ovary, oviduct, uterus, cervix, vagina and mammary
glands. The functional significance of the various histological structures identified will be discussed.
Ovary
Uterine Tube
(oviduct, Fallopian tube)
- uterine tube acts as a conduit for the oocyte, from the ovaries to the uterus.
- consists of a mucosa and a muscularis.
- peritoneal surface of the oviduct is lined by a serosa and subjacent connective tissue.
Tube Regions
infundibulum | ampulla | isthmus | intramural |
---|---|---|---|
funnel-shaped (up to 10 mm in diameter) end of the oviduct. Finger-like extensions of its margins, the fimbriae, are closely applied to the ovary. Ciliated cells are frequent. | mucosal folds, or plicae, and secondary folds which arise from the plicae divide the lumen of the ampulla into a very complex shape. Fertilization usually takes place in the ampulla. | narrowest portion (2-3 mm in diameter) of the tube located in the peritoneal cavity. Mucosal folds are less complex and the muscularis is thick. An inner, longitudinal layer of muscle is present in the isthmus. | penetrates the wall of the uterus. The mucosa is smooth, and the inner diameter of the duct is very small. |
Uterus
- parts - body (upper two-thirds) and cervix.
- walls - mucosal layer, the endometrium, and a fibromuscular layer, the myometrium.
- peritoneal surface of the uterus is covered by a serosa.
Myometrium
- smooth muscle fibres form several layers with preferred orientations.
- muscular tissue hypertrophies during pregnancy.
- GAP-junctions between cells become more frequent.
Endometrium
- simple columnar epithelium (ciliated cells and secretory cells) and an underlying thick connective tissue stroma.
- mucosa is invaginated to form many simple tubular uterine glands.
- glands extend through the entire thickness of the stroma.
- stromal cells of the endometrium are embedded in a network of reticular fibres.
Menstrual cycle
- hormones alter the endometrium.
- only the uterus body mucosa takes part in the menstrual cycle.
- endometrial layers (based on changes)
- basalis - remains during menstruation, functions as a regenerative zone for the functionalis.
- functionalis - lost during menstruation, functions as the site of cyclic changes in the endometrium.
- Uterus Histology Links: Labeled - proliferative phase | Labeled - gland proliferative phase | Labeled - secretory phase | Unlabeled - secretory phase | Unlabeled - late secretory phase | Labeled - gland secretory phase | Menstrual Cycle | Uterine Gland | Uterus Development
- Links: Menstrual Cycle - Histology