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Fig. 10 | BMC Zoology

Fig. 10

From: Microanatomy of the female reproductive system of the viviparous freshwater whipray Fluvitrygon signifer (Chondrichthyes: Myliobatiformes: Dasyatidae). II. The genital duct

Fig. 10

Microanatomical structures of the vagina of Fluvitrygon signifer. a, b Cross sectional view of the anterior region of the vagina (Va) and the posterior region of the uterus (Ut). b Abrupt histological transition of the mucosa from the uterine pseudostratified columnar epithelium (UE) to the vaginal stratified squamous/transitional-like epithelium (VE), as indicated by two opposing black triangles. c Vaginal wall with a mucosal fold and epithelium notch (EN). d, e Vaginal epithelia of F1. Specimen codes are used to specify their corresponding photomicrographs. Abbreviations: Ad, adventitia; CP: connective tissue papilla; Gr, granule; LP, lamina propria; MF, mucosal fold; Mu, mucosa; Mus, muscularis; SM, smooth muscle; *, blood vessel. Stains: a, c, e = modified Movat’s pentachrome; b, d = PAS–H

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BMC Zoology

ISSN: 2056-3132

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