ch 11 facial bones, orbits, nasal bones

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maxilla, frontal bone, and they zygomas

What bones of the face make up the circular base of the orbits?

lacrimal, ethmoid, sphenoid, and palatine

What bones of the face make up the inside cone of the orbits

optic foramen

a hole int he sphenoid bone located at the very posterior of the cone (apex)

cartilaginous

anteriorly the bony nasal septum is?

mouth, nasal cavity, orbit

each maxilla assist in the formation of three cavities of the face, what are the cavites?

maxilla

each separate bone has a body and 4 processes, frontal, zygomatic, alveolar, and palatine. what is the bone?

2

how many maxillary bones are there?

2

how many zygomatic bones

inferior orbital fissure

located between the maxilla, zygomatic bone, and the greater wing of the sphenoid

alveolar process

part of the maxilla that has eight teeth embedded in cavities along the inferior margin of this process.

nasal conchae

scroll shaped, thin and curved divide the nasal cavities into compartments to break the flow of air coming in through the nose

ramus

terminates in a "U" shaped notch on the mandible

optic foramen

the apex of the orbits corresponds with what?

septal cartilage

the cartilage anteriorly to the nasal septum is called

tempomandiublar fossa

the condyloid process fits into what on the temporal bone.

muscle attachments

the coronoid process cannot easily be felt, this serves for

mentum or mental protuberance

the depression below the symphysis menti is termed the what?

nasal septum

the facial bones are anchored at the midline below the what?

hard palate

the horizontal portion of the palatine bone makes up the posterior portion of what?

fingernail

the lacrymal bones are about the size of what?

coronoid process

the most anterior process of the mandibular notch

condyloid

the most posterior process of the mandibular notch

mucous membrane

the nasal conchae cleans and warms the air as it comes in contact with the what?

mandibular notch

the notch at the end of the mandible

seven bones

the orbits of the eyes are composed of how many bones?

apex

the point of the orbit cone which is most posterior is called what?

base

the rim of the cone chapped orbits is called the what?

37 degree angle

the shape of these orbits once the head is placed lateral and the OML is parallel to the floor projects medial at what degree?

30 degree angle

the shape of these orbits once the head is placed lateral and the OML is parallel to the floor projects superior at what degree?

ethmoid bone

the superior and middle nasal conchae are formed from what bone

pterygoia plate

the vertical portion of the "L" palatine bone extend between one maxilla and what part of the sphenoid bone

mental point

the very center of the mentum

temporal bone

the zygoma connects with the zygomatic process of what side bone, making up the zygomatic arch which is easily broken

cheekbone

the zygomatic bones make up the lower portion of each orbit and form the prominent part of what boney landmark?

mental foramina

these are located on each half of the mandible which serve as passageways for nerves and blood vessels

lacrimal bones

these bones are the thinnest and most delicate bones in the body, associated with the tear ducts

nasal bones

these two bones form the bridge of the nose once fused together.

mandible

thin and horseshoe shaped, largest of the facial bones, the only movable bone in the adult skull

vomer

thin and triangular bone with the surface marked by small furrow like depressions for blood vessels.

maxillary bone

this bone articulates with all other facial bones

palatine bone

this bone is located internally, "L" shaped

cleft palat

this is a congenital defect in which the palatine bones don't unite

sphenoid strut

this is a small piece of bone which is a portion of the lateral wall of the optic canal

superior orbital fissure

this is an opening between the greater and the lesser wings of the sphenoid bone located lateral to the optic foramen

ramus

this is superior to the gonion of the mandible

gonion

this is the angle of the mandible located at c4

maxillary bones

this is the largest immovable bones in the face

TMJ

this is the only movable joint in the skull

symphysis menti

this is where the two bodes of the mandible unit at the midline

palatine process

this part of the maxilla form the roof of the mouth, hard or bony palate, only seen in an inferior view

plowshare

vomer means

gonion and ramus

what do you see on a lateral view of the mandible

tempomandibular joint

what does TMJ stand for

body of mandible

what does a frontal view show of the mandible

tear

what does lacrimal mean?

zygomas

what is one zygomatic bone called

anterior and superior to the frontal processes of the maxillae

where are the nasal bones located in the face

anteriorly on the medial side of each orbit

where is the lacrymal located


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