Fig. 8From: Microanatomy of the female reproductive system of the viviparous freshwater whipray Fluvitrygon signifer (Chondrichthyes: Myliobatiformes: Dasyatidae). II. The genital ductUterine histology of F2 female of Fluvitrygon signifer. The entire uterine wall (a), uterine mucosa (b) and trophonemata (Tm) (c, d). Specimen codes are used to indicate their corresponding photomicrographs. Abbreviations: Ad, adventitia; CM, circular smooth muscle; Co, columnar cell; Ep, epithelium; Lc, leukocyte; LM, longitudinal smooth muscle; LP, lamina propria; SM, smooth muscle; *, blood vessel. Stains: a, d = modified Movat’s pentachrome; b, c = H&EBack to article page