part of part of has part has part has_part contributes to morphology of spongiose part of urethra reproductive structure non-keratinized stratified squamous epithelium navicular fossa of spongiose part of urethra FMA:19722 UBERON:0012294 fossa navicularis urethrae SCTID:362233002 The dilated terminal portion of the male spongy urethra located in the glans penis right before the external urethral orifice, also referred to as the most distal pendulous urethra; it is lined by stratified squamous, non-keratinizing epithelium; during development, the glans of the penis is initially solid but cannulates to give rise to the navicular fossa. navicular fossa Wikipedia:Navicular_fossa_of_male_urethra fossa navicularis of urethra navicular fossa of urethra fossa navicularis urethrae (pars spongiosa, urethra masculina) fossa navicularis urethrae subdivision of tube