دورية أكاديمية
Relationships among the corpus luteum, follicles and conceptus in sheep.
| العنوان: | Relationships among the corpus luteum, follicles and conceptus in sheep. |
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| المؤلفون: | Ali A; Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Qassim University, Buraidah, Saudi Arabia.; Department of Theriogenology, Faculty of Veterinary Medicine, Assiut University, Assiut, Egypt., Derar DR; Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Qassim University, Buraidah, Saudi Arabia.; Department of Theriogenology, Faculty of Veterinary Medicine, Assiut University, Assiut, Egypt. |
| المصدر: | Anatomia, histologia, embryologia [Anat Histol Embryol] 2021 Jan; Vol. 50 (1), pp. 65-71. Date of Electronic Publication: 2020 Aug 09. |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Wiley-Blackwell Country of Publication: Germany NLM ID: 7704218 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1439-0264 (Electronic) Linking ISSN: 03402096 NLM ISO Abbreviation: Anat Histol Embryol Subsets: MEDLINE |
| أسماء مطبوعة: | Publication: Berlin : Wiley-Blackwell Original Publication: Berlin, Parey. |
| مواضيع طبية MeSH: | Sheep*, Corpus Luteum/*physiology , Fetus/*physiology , Ovarian Follicle/*physiology, Animals ; Female ; Fetal Development ; Pregnancy ; Uterus/anatomy & histology ; Uterus/physiology |
| مستخلص: | This study aimed to investigate the intra- and interovarian relationships among the corpus luteum (CL), the largest follicle (LF) and follicular population in non-pregnant and between the conceptus and ovarian structures in pregnant ewes. In experiment 1, the follicular and luteal structures were examined in 538 reproductive systems of non-pregnant Awassi ewes. The follicular population was categorised into small (SF), medium (MF) and large (LF) groups. Inter-relationships between CL and follicular population and between LF and subordinate follicles were determined. In experiment 2, the location and number of conceptuses were identified and correlated with the ovarian structures in 58 reproductive systems of pregnant ewes. Effects of pregnancy status, stage of pregnancy, pregnancy side and conceptual number on follicular population were determined. The results showed that the right ovary was more active than the left ovary. CL had intraovarian positive effect on the number of medium and large follicles. LF had no local suppressive effect on the subordinate follicles. Side and stage of pregnancy and the conceptual number did not affect the follicular population. Accordingly, it can be concluded that the LF has no local suppressive effect on the subordinate follicles. The CL has intraovarian positive effect on the follicular population. Follicular population does not show remarkable changes during the first term of pregnancy. The present study probably provides information which may help in the understanding of the ovarian dynamics during pregnancy in sheep. (© 2020 Wiley-VCH GmbH.) |
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| فهرسة مساهمة: | Keywords: conceptus; corpus luteum; follicle; ovary; sheep |
| تواريخ الأحداث: | Date Created: 20200811 Date Completed: 20211019 Latest Revision: 20211019 |
| رمز التحديث: | 20231215 |
| DOI: | 10.1111/ahe.12600 |
| PMID: | 32776363 |
| قاعدة البيانات: | MEDLINE |
Full Text Finder | تدمد: | 1439-0264 |
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| DOI: | 10.1111/ahe.12600 |