21. Most male birds ave no seminal glomera within the cloacal protuberance prior to copulation. 22. At the point of intersection between all four fossae is the internal occipital protuberance . 23. Distinct short protuberances extend from the anal segment. 24. The maxillary protuberance is also now missing. 25. The dorsal surface is covered with dermal denticles with a central ridge of thorny protuberances . 26. In Pseudorhyzomys, the baculum ( penis bone ) displays large protuberances at the sides. 27. Sucker rings on the arms have 8 18 separated, bluntly rounded to truncate protuberances . 28. There is a slight protuberance on each of the thoracic and 5th, 8th somites. 29. Its buds are often produced on short protuberances , and a true mycelium is formed. 30. A cuboid protuberance from a wall, named after Castella, a Japanese sponge cake.
