What type of bone is the palatine bone?

What type of bone is the palatine bone?

The palatine bone or os palatinum is a paired, flat, irregular facial bone. It forms part of the nasal cavity, oral cavity, and orbit of the eye. Composed of two plates, each bone sits between processes of the right or left maxilla bone and the single sphenoid bone.

What is the palatine bone connected to?

The palatine bones are paired L-shaped bones joined at the midline. They form the hard palate with the maxillary bones. They also form part of the floor of the nasal cavity (the hard palate separates the oral cavity from the nasal cavity).

What are the parts of palatine bone?

Palatine bone

Parts Horizontal plate, perpendicular plate, pyramidal process, orbital process, sphenoidal process
Function Participates in the formation of the: Nasal cavity Hard palate Orbit (floor) Pterygopalatine fossa Pterygoid fossa (inferior part)

Does the palatine bones make up the front or back of the palate?

It makes the anterior two-thirds of the roof of the oral cavity. The hard palate is made of two facial bones: palatine process of the maxilla and paired palatine bones. … Hard palate.

Borders Anerior and lateral – maxillary teeth Posterior – soft palate
Structure Palatine process of maxilla Paired palatine bones

Where is the ethmoid?

skull The ethmoid bone is a cube-shaped bone located in the center of the skull between the eyes. It helps form the walls of the eye socket, or orbital cavity, as well as the roof, sides, and interior of the nasal cavity.

What is palatal bone?

In anatomy, the palatine bones (/pltan/) 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.

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Is the palatine bone part of the orbit?

The floor of the orbit consists of three bones: the maxillary bone, the palatine bone, and the orbital plate of the zygomatic bone. This part of the orbit is also the roof of the maxillary sinus. … Along the floor of the orbit is the origin of the inferior oblique muscle.

Where does the word palatine come from?

The word palatine evolved from the Latin word palatinus, asserting a connection to the Palatine Hill, where the house of the Roman emperor was situated since Augustus (hence palace). The meaning of the term hardly changed, since Latin was the dominant language in medieval writing.

How do you side palatine bones?

How many ethmoid bones are there?

It is located at the roof of the nose, between the two orbits. …

Ethmoid bone
The seven bones which articulate to form the orbit. (Ethmoid is brown, between the red and the purple marked bones)
Latin os ethmoidale

Is the palatine bone the soft palate?

The hard palate comprises about two-thirds of the total palate surface area, and its underlying bony structure consists of the palatine processes of the maxilla and the horizontal plates of the palatine bones. … Levator veli palatini muscle: elevates the soft palate and is involved in swallowing.

What does the wing palatine Channel Wing palatine hole connect?

It is the indented area medial to the pterygomaxillary fissure leading into the sphenopalatine foramen. It communicates with the nasal and oral cavities, infratemporal fossa, orbit, pharynx, and middle cranial fossa through eight foramina.

What bone is posterior to the ethmoid bone?

the sphenoid C, The ethmoid bone articulates posteriorly with the body of the sphenoid to form part of the medial orbital wall, septum, and roof of the nose.

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Is ethmoid a flat bone?

Irregular Bones. They consist of cancellous tissue enclosed within a thin layer of compact bone. The irregular bones are: the vertebr, sacrum, coccyx, temporal, sphenoid, ethmoid, zygomatic, maxilla, mandible, palatine, inferior nasal concha, and hyoid.

What type of bone is ethmoid bone?

Summary. The ethmoid bone is a singular porous bone that makes up part of the neurocranium and forms the midfacial region of the skull. The bone consists of: a perpendicular plate – a thin lamina which runs ventrally from the cribriform plate and forms part of the nasal septum.

Where is the soft palate located?

roof of the mouth The soft palate is the muscular part at the back of the roof of the mouth. It sits behind the hard palate, which is the bony part of the roof of the mouth.

Is palatine bone a facial bone?

Making up a portion of the nasal cavity and palate, the palatine bone is a paired, L-shaped facial bone. It forms a part of the underside of the skull, and lies between the maxilla bone (the fixed, upper bone of the jaw) and the sphenoid bone (whose wings help form the base of the eye sockets and base of the skull).

Is the mastoid process part of the temporal bone?

The mastoid part of the temporal bone is its posterior component. The inferior conical projection of the mastoid part is called the mastoid process.

What bone houses the lower dentition?

The mandible is a U-shaped bone. It is the only mobile bone of the facial skeleton, and, since it houses the lower teeth, its motion is essential for mastication. It is formed by intramembranous ossification. The mandible is composed of 2 hemimandibles joined at the midline by a vertical symphysis.

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What is palatine?

(Entry 1 of 5) 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.

Where is the German Palatinate?

Rhineland-Palatinate, German Rheinland-Pfalz, Land (state) situated in southwestern Germany. It is bordered by the states of North RhineWestphalia to the north, Hessen to the east, Baden-Wrttemberg to the southeast, and Saarland to the southwest and by France, Luxembourg, and Belgium to the south and west.

Is palatine a country?

The Palatinate (German: Pfalz; Palatine German: Palz) is a historical region of Germany (Deutschland). … It occupies roughly the southernmost quarter of the German federal state of Rhineland-Palatinate (Rheinland-Pfalz), covering an area of 2,105 square miles (5,450 km2) with about 1.4 million inhabitants.

Which feature of the palatine bone articulates with the maxilla to form the posterior portion of the bony palate?

Horizontal Plate Markings of the Palatine Bone: Horizontal Plate: A horizontal projection that articulates with the palatine process of the Maxilla; forms the posterior portion of the hard palate (or roof of the mouth / floor of the nasal cavity). [Sagittal view/ Inferior view]