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