anatomical entity (worm) nematode pharynx (worm) organ (worm) gonad (worm) hermaphrodite gonad (worm) ganglion (worm) oral cavity (worm) spermathecum (worm) anus (worm) amphid sensory organ (worm) tissue (worm) outer epithelium (worm) nervous system (worm) renal system (worm) musculature (worm) head (worm) tail (worm) digestive tract (worm) anatomical system (worm) reproductive system (worm) digestive system (worm) sex-specific anatomical structure (worm) collagen and cuticulin-based cuticle (worm) basal lamina of epithelium (worm) male anatomical structure (worm) hermaphrodite anatomical structure (worm) anatomical system (worm) intestine (worm) terminal part of digestive tract (worm) striated muscle tissue (worm) smooth muscle tissue (worm) lumen of intestine (worm) epithelium of terminal part of digestive tract (worm) musculature of body wall (worm) ventral nerve cord (worm) eggshell (worm) accessory nerve cord of dorsal region (worm) uterus or analog (worm) testis (worm) seminal fluid secreting gland (worm) anal region (worm) sense organ (worm) multicellular organism (worm) hermaphroditic organism (worm) male organism (worm) gonad primordium (worm) reproductive organ (worm) male reproductive organ (worm)