Fetal bone development in the black agouti (Dasyprocta fuliginosa) determined by ultrasound

Pombo, Alana Lorena Gonçalves; Monteiro, Frederico Ozanan Barros; Silva, Gessiane Pereira da; Pereira, Thyago Habner de Souza; Matos, Sandy Estefany Rodrigues de; Lima, Ana Rita de; Bizri, Hani R. El; Amaral, João Valsecchi do; Plana, Carlos López; Mayor, Pedro

doi:10.1016/j.therwi.2023.100029

Theriogenology Wild

2023

DOI: 10.1016/j.therwi.2023.100029

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Fetal bone development in the black agouti (Dasyprocta fuliginosa) determined by ultrasound

Alana Lorena Gonçalves Pombo¹,

Frederico Ozanan Barros Monteiro²,

Gessiane Pereira da Silva³

et al.

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Cited by 2 publications

References 39 publications

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Fetal morphology of the female urogenital apparatus in Dasyprocta fuliginosa

Freire,

de Sousa,

Branco

et al. 2024

Theriogenology Wild

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Fetal morphology of the female urogenital apparatus in Dasyprocta fuliginosa

Freire,

de Sousa,

Branco

et al. 2024

Theriogenology Wild

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Urogenital development and sexual differentiation in males of the species Dasyprocta fuliginosa

Freire,

Branco,

Giese

et al. 2023

Anat Histol Embryol

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Thirteen black agouti (Dasyprocta fuliginosa) male fetuses, acquired in two areas of the Amazon Forest, were used for the purpose of morphologically describing the fetal male urogenital organs with a focus on addressing histological and macroscopic aspects. The organs of interest were dissected and photographed in situ and ex situ. Fragments were collected and subjected to routine histological processing for inclusion in paraffin, which was cut and stained by haematoxylin and eosin and Gomori's Trichrome methods and subsequently analysed in a light microscope. The results showed that the urinary tract is like that of domestic animals and is composed of smooth unilobed kidneys covered by a dense capsule of connective tissue and divided into two well‐defined regions, cortical and medullary. Ureters, urethra and urinary bladder also showed macroscopic and microscopic characteristics similar to those of domestic animals. The penis of these animals has fibroelastic characteristics, with numerous keratinized structures at its apex. In the middle third of the penis, a “U” shaped penile flexure was seen; the glans penis is covered by a keratinized epidermis containing horny spicules. The presence of a penile bone in an endochondral ossification process was observed, being more developed in gestational ages greater than 76 days. The annex glands were not observed, probably because they were fetuses; only the ampulla of the ductus deferens was identified.

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Fetal bone development in the black agouti (Dasyprocta fuliginosa) determined by ultrasound

Cited by 2 publications

References 39 publications

Fetal morphology of the female urogenital apparatus in Dasyprocta fuliginosa

Fetal morphology of the female urogenital apparatus in Dasyprocta fuliginosa

Urogenital development and sexual differentiation in males of the species Dasyprocta fuliginosa

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