41. Small protrusions known as tubercles were present on the underside of the hands. 42. Make sure a particularly sharp protrusion from the boulder hits the pipeline first. 43. :Tongue protrusion is one of the earliest behaviors shown by newborn babies. 44. Its mouth has a slanting protrusion towards the blade's sharp side. 45. Other sclerites and " protrusions " ( apophyses ) may also be present. 46. At the front of a brain, protrusions called the olfactory bulbs process smell. 47. The Scotian Shelf is the continental protrusion stretching off the coast of the province. 48. A network of horizontal and vertical reinforcing bars is then attached to these protrusions . 49. Many jaw protrusion , resulting in highly complex jaws with dozens of bones involved. 50. He also gains fangs and short protrusions on his forehead, resembling growing horns.