It is filled with a soft nourishing pulp, containing connective tissues, blood vessels, nerve and odontoblast cells that produces new material for the growth of tooth.Tooth contains a central pulp cavity open at the side.Enamel is a very hard, resistant and glistening substance.It is made up of dentine (a hard ivory-like substance), which is traversed by numerous fine canals or canaliculi.But teeth are attached to the jaw bone by a broad base made of a bone-like substance.The nature of teeth is homodont (similar), acrodont (not set in a socket).The function of teeth is to simply hold the prey and prevent it from slipping out.Vomers (two small bones in the roof of the mouth) also consists of two groups of vomerine teeth.However, teeth occur in a row of either side on the premaxillae and maxillae bones of the upper jaw.These mucous glands secrete mucus that helps in lubricating the food.It has ciliated columnar epithelial lining that contains mucous glands.Buccal cavity is large, wide and shallow.it can move up and down to close or open the mouth. Two bony jaws bound the mouth, and the jaws are covered by immovable lips.It extends from one side of the snout to the other. ![]() It is the beginning to the alimentary canal. ![]() ![]()
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