Table of Contents
What is upper jaw bone called?
The upper jaw holds the top teeth in place and supports muscles involved in chewing and facial expressions. It is a major bone in the face. Also called maxilla.
What is the jaw scientific name?
human mandible. The mandible (lower jawbone).
What is palatine bone?
In anatomy, the palatine bones (/ˈpælətaɪn/) are two irregular bones of the facial skeleton in many animal species, located above the uvula in the throat. Together with the maxillae, they comprise the hard palate. (Palate is derived from the Latin palatum.)
What is the name of lower jaw bone?
The lower jaw bone is the only moveable bone of the skull and is attached to muscles involved in chewing and other mouth movements. It also holds the bottom teeth in place. Also called mandible.
What is the upper and lower jaw called?
The upper part is the maxilla. It doesn’t move. The moveable lower part is called the mandible.
Is there an upper jaw?
The upper jaw is firmly attached to the nasal bones at the bridge of the nose; to the frontal, lacrimal, ethmoid, and zygomatic bones within the eye socket; to the palatine and sphenoid bones in the roof of the mouth; and at the side, by an extension, to the zygomatic bone (cheekbone), with which it forms the anterior …
Where is palatine and maxilla bone?
The incisive, maxillary and palatine bones form the roof of the mouth. The palatine fissures, two large openings in the incisive bones, are located at the level of the canine teeth and can be palpated as soft areas in the rostral aspect of the palate bilaterally (see Fig. 36.1).
What is upper jaw and lower jaw?
The lower jaw (mandible) supports the bottom row of teeth and gives shape to the lower face and chin. This is the bone that moves as the mouth opens and closes. The upper jaw (maxilla) holds the upper teeth, shapes the middle of the face, and supports the nose.
Where are the palatine bones?
The palatine bones contribute to the posterior part of the roof of the mouth and floor and lateral walls of the nose, the medial wall of the maxillary sinuses and the orbital floors. Each bone (Fig. 5-66) consists of horizontal and perpendicular plates (laminae) set at right angles to each other.
What is mandible bone?
Introduction. The mandible is the largest bone in the human skull. It holds the lower teeth in place, it assists in mastication and forms the lower jawline. The mandible is composed of the body and the ramus and is located inferior to the maxilla.
Why is it called palatine bone?
In anatomy, the palatine bones (/ˈpælətaɪn/) are two irregular bones of the facial skeleton in many animal species, located above the uvula in the throat. Together with the maxillae, they comprise the hard palate. (Palate is derived from the Latin palatum.) Sagittal section of skull.
What is maxilla palatine?
In human anatomy of the mouth, the palatine process of maxilla (palatal process), is a thick, horizontal process of the maxilla. It forms the anterior three quarters of the hard palate, the horizontal plate of the palatine bone making up the rest. Palatine process of maxilla.
What is malar bone?
zygomatic bone, also called cheekbone, or malar bone, diamond-shaped bone below and lateral to the orbit, or eye socket, at the widest part of the cheek. It adjoins the frontal bone at the outer edge of the orbit and the sphenoid and maxilla within the orbit.
What is maxilla bone?
Overview. The maxilla is the bone that forms your upper jaw. The right and left halves of the maxilla are irregularly shaped bones that fuse together in the middle of the skull, below the nose, in an area known as the intermaxillary suture. The maxilla is a major bone of the face.
Is maxilla upper jaw?
The maxilla is the bone that forms your upper jaw. The right and left halves of the maxilla are irregularly shaped bones that fuse together in the middle of the skull, below the nose, in an area known as the intermaxillary suture. The maxilla is a major bone of the face.
What are palatine bones?
4.13. 1 Anatomy. The small, delicate, L-shaped palatine bones form the rear of the hard palate and part of the wall and floor of the nasal cavity. Individual palatine bones are almost never found in an isolated, intact state; they generally accompany the maxillae and sphenoid, to which they are tightly bound.
What palatine means?
Definition of palatine (Entry 1 of 4) 1a : possessing royal privileges. b : of or relating to a palatine or a palatinate. 2a : of or relating to a palace especially of a Roman or Holy Roman emperor.
What is a zygoma?
Introduction. The zygomatic bone (or zygoma) is a paired, irregular bone that defines the anterior and lateral portions of the face. The zygomatic complex is involved in the protection of the contents of the orbit and the contour of the face and cheeks.[1]