31. It consists of two excretory pores and two pairs of lateral sensory papillae . 32. The larger and longer papillae of this group are sometimes termed papillae conicae. 33. The larger and longer papillae of this group are sometimes termed papillae conicae. 34. Its pharyngeal tooth is small and rhomboidal, without papillae on its opening. 35. Its parapodia are rectangular, with two small papillae . 36. These are called ulnar papillae , or quill knobs. 37. The callus has many small pimple-like papillae on the outer half. 38. The inside of the pouch contains a large number of folds of dermal papillae . 39. The extent of denticle coverage and number of oral papillae can vary among individuals. 40. The exception to this is the filiform papillae that do not contain taste buds.
