Anatomia macroscópica dos órgãos reprodutores do Puma yagouaroundi (Geoffroy, 1803) macho

Abstract

Puma yagouaroundi (gato-mourisco) é um felino que apresenta vasta distribuição geográfica no Brasil, podendo ser encontrado em vários biomas. Na literatura observa-se escassez de trabalhos sobre sua anatomia macroscópica. O objetivo do trabalho foi a descrição macroscópica do sistema reprodutor masculino visando a obtenção de informações que possam ser úteis ao manejo reprodutivo da espécie. O estudo foi realizado em um cadáver macho doado ao Laboratório de Anatomia Veterinária pelo Hospital Veterinário da Universidade Federal de Campina Grande. O animal foi fixado em formal a 10 % para posterior dissecação e descrição do sistema reprodutor masculino. Foram identificadas as seguintes estruturas funcionais do aparelho genital masculino do gatomourisco: escroto, pênis, testículos, epidídimos, ductos deferentes e as glândulas genitais acessórias, identificando-se apenas a próstata, não possuindo as glândulas bulbouretrais e vesiculares. O escroto com seus constituintes internos situa-se na região subanal. Os testículos apresentaram formato ovóide, posicionado perinealmente, dentro do escroto. O ducto deferente compreende uma estrutura longa, contínua a cauda do epidídimo, desembocando na superfície craniodorsal da próstata. O pênis mostrou-se um órgão curto, achatado látero-lateralmente com presença de espículas e localizado dentro do prepúcio.Palavras Chaves: descrição macroscópica, gato mourisco, sistema reprodutor Gross anatomy of the reproductive organs of male Puma yagouaroundi (Geoffroy, 1803)ABSTRACT: The Puma yagouaroundi (cat-Moorish) is a feline that has wide geographic distribution in Brazil, can be found in various biomes. In the literature there has been few studies on their gross anatomy. The objective was the macroscopic description of the male reproductive system in order to obtain information that might be useful to reproductive management of the species. The study was conducted in a male body donated to Veterinary Anatomy Laboratory at the Veterinary Hospital of the Federal University of Campina Grande. The animal was fixed in 10% formal for further dissection and description of the male reproductive system. the following functional structures of the male genital tract of the cat-Moorish were identified: scrotum, penis, testicles, epididymis, vas deferens and accessory genital glands, identifying only the prostate, not having the bulbourethral and vesicular glands. The scrotum, with its internal components is located in subanal region. The testes showed ovoid shape, positioned perinealmente within the scrotum. The vas deferens comprises a long structure, continuous tail of the epididymis, ending up in Article History:

Morphology of male and female reproductive tract of the ocelot (Leopardus pardalis)

“…It was also observed that the epididymis is composed of smooth muscle and a cylindrical pseudo-stratified epithelium, similar to other mammalian species (Wick and Kress, 2002;Banks, 1992;Junqueira and Carneiro, 2015). Our findings on the prostate and bulbourethral glands of Leopardus pardalis complement the findings of Carneiro et al (2010) for the oncilla (Leopardus tigrinus) and Puma yaguaroundii (Rocha et al, 2017). Microscopically, it was possible to observe the internal epithelial layer as well as the prostatic concretion, similar to the findings of Wick and Kress (2002) and Junqueira and Carneiro (2015).…”

“…A macroscopic description of the male reproductive system of Leopardus pardalis was previously given by Carneiro et al (2010) , as the penis, scrotum, testis, epididymis, vas deferens and accessory genital glands such as a bulbourethral gland and prostate are present, but not the vesicular glands. The latter are also absent in domestic cats ( Godinho, 1999 ; Dyce et al, 2010 ) and in wild species as Puma yaguaroundii ( Rocha et al, 2017 ). Leopardus pardalis has relatively small testes ( Sarti, 2006 ; Carneiro et al, 2010 ) with the same anatomy as puma ( Puma concolor ) ( Mansfield and Land, 2002 ; Guião-Leite, 2002 ), jaguar ( Panthera onca ) ( Azevedo, 2004 ) and Puma yaguaroundii ( Rocha et al, 2017 ).…”

“…The latter are also absent in domestic cats ( Godinho, 1999 ; Dyce et al, 2010 ) and in wild species as Puma yaguaroundii ( Rocha et al, 2017 ). Leopardus pardalis has relatively small testes ( Sarti, 2006 ; Carneiro et al, 2010 ) with the same anatomy as puma ( Puma concolor ) ( Mansfield and Land, 2002 ; Guião-Leite, 2002 ), jaguar ( Panthera onca ) ( Azevedo, 2004 ) and Puma yaguaroundii ( Rocha et al, 2017 ). The scrotum is positioned in the perineal region, lateral to the penis as described by Carneiro et al (2010) for ocelot and similar to the domestic cat ( Getty, 1987 ).…”

“…The penis was divided into three regions: tail, body and glans and the presence of small spicules was confirmed ( Queiroz, 2003 ; Rocha et al, 2017 ). Authors relate the function of these spicules to stimulation of the female reproductive tract to accelerate copulation and enhance peristalsis to move sperm through the female reproductive tract ( Harcourt and Gardiner, 1994 ).…”

Morphology of the male reproductive tract of Eira barbara

“…According to Ellenport (1981), the vesicular glands are absent in carnivores, a fact confirmed in the species studied because it presented as an accessory gland only in the prostate and the ampoule of the deferent duct. The absence of vesicular glands also described in domestic cats (Dyce et al, 2010) and in wild species as Puma yaguaroundii (Rocha et al, 2017).…”