Ultrastructural aspects of the human uterine tube epithelium during menstrual cycle
PURPOSE: The authors perform an electron microscopy analysis of the human uterine tube epithelium during the menstrual cycle.
TYPE OF STUDY: Prospective, experimental. Site: São Paulo School of Medicine.
PATIENTS: Four eumenorrheic multiparous patients, two in the proliferating stage, and two in the secreting stage of the cycle.
INTERVENTIONS: PATIENTS were submitted to bilateral salpingectomy because they presented a high reproductive risk.
MEASUREMENTS AND RESULTS: The authors evaluated ultrastructural aspects of the epithelium in the isthmus, ampulla, and infundibulum. Two types of cells were identified: ciliated and non-ciliated or secretory. Secretory cells have more marked ultrastructural changes than ciliated cells during the cycle. In the luteal stage, secretory cells present quite developed and dilated endoplasmatic reticulum and Golgi apparatus, and numerous electro-lucent vesicles. They also verified that during the second stage of the cycle, the secretory cells in the ampullar region seems to release part of its cytoplasm in the tube lumen.
CONCLUSIONS: The ampullar region of the uterine tube suffers greater hormonal influences than the other regions. Morphological changes occurring in the ampullar might have their role to play in the nutrition of the egg cell during the time it remains inside it.
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
1991 |
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| Erschienen: |
1991 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:109 |
|---|---|
| Enthalten in: |
Revista paulista de medicina - 109(1991), 6 vom: 04. Nov., Seite 252-8 |
| Sprache: |
Portugiesisch |
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| Weiterer Titel: |
Aspectos ultra-estruturais do epitélio da tuba uterina humana durante o ciclo menstrual |
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| Beteiligte Personen: |
Baracat, E C [VerfasserIn] |
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| Themen: |
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| Anmerkungen: |
Date Completed 03.08.1992 Date Revised 29.07.2014 published: Print Citation Status MEDLINE |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM018019757 |
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| 100 | 1 | |a Baracat, E C |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Ultrastructural aspects of the human uterine tube epithelium during menstrual cycle |
| 246 | 3 | 3 | |a Aspectos ultra-estruturais do epitélio da tuba uterina humana durante o ciclo menstrual |
| 264 | 1 | |c 1991 | |
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a ohne Hilfsmittel zu benutzen |b n |2 rdamedia | ||
| 338 | |a Band |b nc |2 rdacarrier | ||
| 500 | |a Date Completed 03.08.1992 | ||
| 500 | |a Date Revised 29.07.2014 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a PURPOSE: The authors perform an electron microscopy analysis of the human uterine tube epithelium during the menstrual cycle | ||
| 520 | |a TYPE OF STUDY: Prospective, experimental. Site: São Paulo School of Medicine | ||
| 520 | |a PATIENTS: Four eumenorrheic multiparous patients, two in the proliferating stage, and two in the secreting stage of the cycle | ||
| 520 | |a INTERVENTIONS: PATIENTS were submitted to bilateral salpingectomy because they presented a high reproductive risk | ||
| 520 | |a MEASUREMENTS AND RESULTS: The authors evaluated ultrastructural aspects of the epithelium in the isthmus, ampulla, and infundibulum. Two types of cells were identified: ciliated and non-ciliated or secretory. Secretory cells have more marked ultrastructural changes than ciliated cells during the cycle. In the luteal stage, secretory cells present quite developed and dilated endoplasmatic reticulum and Golgi apparatus, and numerous electro-lucent vesicles. They also verified that during the second stage of the cycle, the secretory cells in the ampullar region seems to release part of its cytoplasm in the tube lumen | ||
| 520 | |a CONCLUSIONS: The ampullar region of the uterine tube suffers greater hormonal influences than the other regions. Morphological changes occurring in the ampullar might have their role to play in the nutrition of the egg cell during the time it remains inside it | ||
| 650 | 4 | |a English Abstract | |
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Simões, M de S |e verfasserin |4 aut | |
| 700 | 1 | |a Mora, O A |e verfasserin |4 aut | |
| 700 | 1 | |a de Lima, G R |e verfasserin |4 aut | |
| 700 | 1 | |a de Lima Filho, O A |e verfasserin |4 aut | |
| 700 | 1 | |a Kulay Júnior, L |e verfasserin |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Revista paulista de medicina |d 1945 |g 109(1991), 6 vom: 04. Nov., Seite 252-8 |w (DE-627)NLM000223522 |x 0035-0362 |7 nnns |
| 773 | 1 | 8 | |g volume:109 |g year:1991 |g number:6 |g day:04 |g month:11 |g pages:252-8 |
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