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大食蚁兽雌性生殖器官的背景及常见病变（）

Background and common lesions in the female reproductive organs of giant anteaters ().

作者信息

de Moura Fernanda Barthelson Carvalho, Lacerda Zara Alves, Catão-Dias José Luiz, Navas-Suárez Pedro Enrique, Werther Karin, Simões Sarah Raquel Jesus Santos, Santos Renato de Lima, Murillo Daniel Felipe Barrantes, Watanabe Tatiane Terumi Negrão, Fonseca-Alves Carlos Eduardo, Rocha Noeme Sousa

机构信息

School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), São Paulo, Brazil.

School of Veterinary Medicine and Animal Science, University of São Paulo (USP), São Paulo, Brazil.

出版信息

Front Vet Sci. 2024 Jan 24;11:1287872. doi: 10.3389/fvets.2024.1287872. eCollection 2024.

DOI:10.3389/fvets.2024.1287872
PMID:38328261
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10847298/
Abstract

The giant anteater () is a vulnerable species in South America and is considered endangered or near extinction in Central America. Therefore, studies describing the reproductive characteristics of this species are pivotal for its conservation. Thus, this study aimed to provide a morphological description of the female reproductive tissues of this species. We collected tissue samples from six female giant anteaters and performed gross, morphological, and histochemical analyses. Five adult subjects and one juvenile were included in the study. In the ovary, classifications were made according to the follicle and oocyte sizes: primordial, primary, secondary, early antral, or antral. Typical follicles with a single oocyte surrounded by a simple or stratified layer of cubic epithelium, atretic follicles, corpora lutea, corpora albicans, and ovarian cysts were also observed. No ovarian lesions were observed. By contrast, endometritis, metritis, mucometra, and endometrial cysts were identified in the uterus. Uterine alterations in these subjects were frequent and could affect reproduction.

摘要

大食蚁兽（）是南美洲的易危物种，在中美洲被视为濒危或近乎灭绝。因此，描述该物种繁殖特征的研究对其保护至关重要。因此，本研究旨在对该物种雌性生殖组织进行形态学描述。我们从六只雌性大食蚁兽身上采集了组织样本，并进行了大体、形态学和组织化学分析。研究包括五只成年个体和一只幼年个体。在卵巢中，根据卵泡和卵母细胞大小进行分类：原始卵泡、初级卵泡、次级卵泡、早期有腔卵泡或有腔卵泡。还观察到典型的单个卵母细胞被单层或复层立方上皮包围的卵泡、闭锁卵泡、黄体、白体和卵巢囊肿。未观察到卵巢病变。相比之下，在子宫中发现了子宫内膜炎、子宫肌炎、子宫积黏液和子宫内膜囊肿。这些个体的子宫病变很常见，可能会影响繁殖。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3bc1/10847298/505b4c7912c5/fvets-11-1287872-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3bc1/10847298/8e7047ee3853/fvets-11-1287872-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3bc1/10847298/f5af89f80037/fvets-11-1287872-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3bc1/10847298/6977ea7a3c8c/fvets-11-1287872-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3bc1/10847298/505b4c7912c5/fvets-11-1287872-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3bc1/10847298/8e7047ee3853/fvets-11-1287872-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3bc1/10847298/f5af89f80037/fvets-11-1287872-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3bc1/10847298/6977ea7a3c8c/fvets-11-1287872-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3bc1/10847298/505b4c7912c5/fvets-11-1287872-g004.jpg

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