Synset
a membranous sac for temporary retention of urine
<noun.body>
urinary bladder
semantic pointers
part holonym
urogenital system, urogenital apparatus, urinary system, urinary apparatus, genitourinary system, genitourinary apparatus, systema urogenitale, apparatus urogenitalis
urinary tract
hypernym
bladder, vesica
part meronym
bladder sphincter, musculus sphincter vesicae