Etymology: L, crena, notch. the formation of notches or leaflike scalloped edges on an object. Red blood cells exposed to a hypertonic saline solution acquire a notched, shriveled surface as a result of the osmotic effect of the solution. They are then called crenated red blood cells. crenate, crenated, adj.
Occipital neuralgia is the neck/head pain that results from injury or irritation to the occipital nerves. It can be caused by trauma, such as a car accident, by a pinched nerve root in the neck (from arthritis, for example) or by âtightâ muscles at the back of the head that entrap the nerves.
Daily occipital headaches, pulse in head, pain at base of skull rt side, muffled hearing, dizzy looking. Causes. Headaches: The cause of the headaches are variable. Inflammation if the occipital nerve, a pinched nerve in the cervical spine, TMJ disorder, and mastoiditis are leading contenders.