Alligators. An alligator is a crocodilian in the genus Alligator of the family Alligatoridae. There are two living alligator species: the American alligator (Alligator mississippiensis) and the Chinese alligator (Alligator sinensis). In addition, several extinct species of alligator are known from fossil remains. Alligators first appeared during the Oligocene epoch about 37 million years ago.
Results: 442 causes of Parotid Swelling OR Swollen lymph nodes. 1. A rare disorder where most of the red blood cells are abnormal with spiny projections due to lipid abnormalities. The blood abnormality is seen in conditions such as abetalipoproteinemia, severe liver disease and severe malnutrition.
Examine the major salivary glands: 1  The parotid glands: Swellings of the parotid are apparent as a loss of the angle of the jaw. 2  The submandibular glands: Submandibular gland pathology usually involves swelling beneath and anterior to the angle of the jaw. 3  Sublingual gland pathology may cause swelling on the floor of the mouth.