THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -The infraorbital artery supplies the lower eyelid and upper lip. The anterior superior alveolar artery supplies the incisors and canines.

Detailed explanation-2: -Infraorbital artery is permanent anatomical structure which supply lateral part of nose, cheek and part of upper lip. It forms reach anatomical network with facial and transverse facial arteries (27, 28).

Detailed explanation-3: -The main source of blood supply to the orbit is by the ophthalmic artery, the first branch of the internal carotid artery.

Detailed explanation-4: -Blood Supply and Lymphatics The primary blood supply for all of the extraocular muscles is the muscular branches of the ophthalmic artery, the lacrimal artery, and the infraorbital artery.