{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,3]],"date-time":"2026-07-03T02:00:15Z","timestamp":1783044015696,"version":"3.54.6"},"reference-count":17,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2022,8,25]],"date-time":"2022-08-25T00:00:00Z","timestamp":1661385600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Anat Histol Embryol"],"published-print":{"date-parts":[[2022,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Four genera of the Boidae family are found in Brazil: <jats:italic>Eunectes<\/jats:italic>, <jats:italic>Corallus<\/jats:italic>, <jats:italic>Epicrates<\/jats:italic>, and <jats:italic>Boa<\/jats:italic>. Male copulatory organs in snakes are located inside the tail and are called hemipenes. They are double structures in an inverted position that are exposed during copulation. This study describes the macroscopic and histological aspects of hemipenes in Boidae snakes. One <jats:italic>Boa constrictor,<\/jats:italic> three <jats:italic>Epicrates cenchria,<\/jats:italic> one <jats:italic>Corallus hortulanus<\/jats:italic> hemipenes, and one fragment of the <jats:italic>muscular retractor penis magnus<\/jats:italic> (<jats:italic>m. retractor penis magnus<\/jats:italic>) from <jats:italic>Eunectes murinus<\/jats:italic> were included in this study. The structures were evaluated macroscopically and photo\u2010documented using a stereo microscope. Tissue fragments were included in glycol methacrylate plastic resin, cut into 3\u2010\u03bcm\u2010thick slices, and stained with 1% toluidine blue for microscopic evaluation. The macroscopic analysis showed that the arrangement and diameter occupied by the <jats:italic>m. retractor penis magnus<\/jats:italic> in the hemipenis and the internal and external cavernous bodies differ between species. The histological analysis showed that the hemipenis of <jats:italic>B.\u00a0constrictor<\/jats:italic>, <jats:italic>E.\u00a0cenchria<\/jats:italic>, and <jats:italic>C.\u00a0hortulanus<\/jats:italic> has stratified epithelium in the external portion supported by dense connective tissue with blood vessels and muscle tissue. Although the literature reports the presence of skeletal musculature in the hemipenis, striated musculature with a centrally located nucleus in the fibre bundle, typical of cardiac musculature in mammals, was observed in the studied species.<\/jats:p>","DOI":"10.1111\/ahe.12856","type":"journal-article","created":{"date-parts":[[2022,8,26]],"date-time":"2022-08-26T06:25:40Z","timestamp":1661495140000},"page":"781-785","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Brazilian Boidae hemipenis morphology: Macroscopic and histological aspects"],"prefix":"10.1111","volume":"51","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8670-1515","authenticated-orcid":false,"given":"Heitor Jos\u00e9","family":"Bento","sequence":"first","affiliation":[{"name":"Graduate Program in Veterinary Sciences School of Veterinary Medicine, Federal University of Mato Grosso (UFMT)  Cuiab\u00e1 Brazil"},{"name":"Wildlife Research Laboratory School of Veterinary Medicine (FAVET), Federal University of Mato Grosso (UFMT)  Cuiab\u00e1 Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7999-4946","authenticated-orcid":false,"given":"Adelina","family":"Ferreira","sequence":"additional","affiliation":[{"name":"Biosciences Institute Federal University of Mato Grosso (UFMT)  Cuiab\u00e1 Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4567-0043","authenticated-orcid":false,"given":"Regina Celia Rodrigues","family":"da Paz","sequence":"additional","affiliation":[{"name":"Graduate Program in Veterinary Sciences School of Veterinary Medicine, Federal University of Mato Grosso (UFMT)  Cuiab\u00e1 Brazil"},{"name":"Wildlife Research Laboratory School of Veterinary Medicine (FAVET), Federal University of Mato Grosso (UFMT)  Cuiab\u00e1 Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2022,8,25]]},"reference":[{"key":"e_1_2_9_2_1","unstructured":"B\u00e9rnils R.S. &CostaH.C.(2012).Brazilian reptiles: List of species. Version 2012.1. Sociedade brasileira de herpetologia. Retrieved fromhttp:\/\/public.sbherpetologia.org.br\/assets\/Documentos\/2019\/11\/Reptilia\u2010Brasil\u2010Bernils\u2010Costa\u20102012.1.pdf"},{"key":"e_1_2_9_3_1","first-page":"445","article-title":"Bau, funktion und entwicklung der begattungsorgane der m\u00e4nnlichen ringelnatter 'Natrix natrix L.' und Kreuzotter 'Vipera berus L.'","volume":"78","author":"Beulchelt H.","year":"1936","journal-title":"Morphologisches Jahrbuch"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.2307\/1563651"},{"key":"e_1_2_9_5_1","volume-title":"Histologia veterin\u00e1ria de Dellmann","author":"Eurell J. A.","year":"2012"},{"key":"e_1_2_9_6_1","volume-title":"Tratado de animais selvagens: Medicina veterin\u00e1ria","author":"Grego K. F.","year":"2014"},{"key":"e_1_2_9_7_1","volume-title":"Histologia B\u00e1sica","author":"Junqueira L. 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