Handbook of dental anatomy and surgery : for the use of students and pratitioners / by John Smith.

  • John Smith
Date:
1864
Catalogue details

Licence: Public Domain Mark

Credit: Handbook of dental anatomy and surgery : for the use of students and pratitioners / by John Smith. Source: Wellcome Collection.

    50/150 (page 40)
    attachment into the coronoid process and along the inner surface of the ascending ramus. Its action is that of closing the lower against the upper jaw. All these muscles act in concert during mas- tication, and their combined action results in the rotatory or grinding movement by which the food is crushed and triturated between the teeth. BLOOD-VESSELS SUPPLYING THE TEETH AND ADJACENT STRUCTURES. The blood-vessels in an animal body are com- posed of Arteries, or those vessels conveying the blood from the heart to every part of the body ; of Veins, or those vessels returning the blood from these parts to the heart; and of Capillary vessels, or those minute branches which ramify through the tissues, and form the ultimate channels through which the blood passes from the arteries into the veins. The arteries com- mence at the heart by a large main trunk, termed the aorta ; from this trunk branches are given off, and from these again other branches, and so on until the capillaries are arrived at. It will be sufficient, in describing the arteries