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Articulation-Skeleto

S&HA&P PowerPoint 18

TermDefinition
Bones of the cranium Frontal Bone (1), Parietal Bones (2), Occipital Bone (1), Temporal Bones (2), Sphenoid Bone (1), Ethmoid Bone (1)
Frontal Bone forms the forehead, roof of the orbits and upper part of nasal cavity
Glabella raised portion of Frontal bone, located between the eyebrows
Parietal Bones forms the roof and upper sides of skull
Temporal Fossa formed by the two ridges (superior and inferior) on the sides of the parietal bones
Occipital Bone forms back of skull and cranial base
Foramen Magnum large opening at bottom of skull to let nerves and upper spinal cord pass through
Condyle coarticulates with C1 (Atlas)
Occiput the bottom area of the skull, rests in the facet of the Atlas to form the atlanto-occipital joint
Temporal Bones bones facing temples and part of cranial floor. Protect organ of hearing and balance.
Squamous portion of temporal bone front part of temporal bone, attached to greater wing of sphenoid bone and parietal bone
Zygomatic process of temporal bone coarticulates with zygomatic bone to from the zygomatic arch
Mandibular fossa of temporal bone articulates with condyloid process of mandible to form temporomandibular joint
Mastoid portion of the temporal bone rearmost part of temporal bone with mastoid process
Mastoid process of the temporal bone conical prominence where digastric, sternocleidomastoid, and other muscles attach
Styloid Process of the temporal bone serves as anchor for several muscles associated with tongue and larynx
Parts of the temporal bone (7) styloid process, mastoid process, external auditory meatus, mastoid portion, mandibular fossa, zygomatic process, squamous portion
Sphenoid bone anterior to temporal bone on either side, looks like a butterfly with wings extended
Ethmoid bone spongy, lightweight bone located between orbits, separates the nasal cavity from the brain
Parts of the ethmoid bone crista galli which protrudes into cranial space, perpendicular plate or nasal septum, nasal conchae, cribiform plate
Cribiform plate of the ethmoid bone separates the nasal from cranial cavity (conduit for olfactory neurons)
suture type of joint only occurring in the cranium, allowing a tiny amount of movement
fontanel the resulting soft spot between unfused portions of the cranial bones (many bones of cranium remain unfused at birth)
craniosynostosis when bones fuse prematurely. brain will grow wherever it can, or may not be able to at all->may lead to mental retardation or death.
Bones of the face mandible, maxilla, palatine bone, nasal bone, vomer, zygomatic bone, lachrymal bone
mandible only movable bone in skull
There is an articulation between _______ _______ and _________ _______ of the temporal bone (mandible movement) condyloid process, mandibular fossa
________ _______ fits beneath the zygomatic arch (mandible movement) coronoid process
mandibular notch depression between condylar process and coronoid process allowing passage of nerves and vessels
angle of mandible back corner of mandible
ramus section between angle and processes
maxilla below orbits and above mandible. mount the top row of teeth--those teeth cannot move vis-a-vis the rest of the cranium; chew by moving mandibular teeth against them.
frontal process of maxilla exterior surface of maxilla between orbit and nasal cavity
orbital surface of maxilla upper part forming the lower and inner surface of orbit cavity
zygomatic process articulates with zygomatic bone
anterior 3/4 of hard palate 2 palatine processes of maxilla join at intermaxillary suture
posterior 1/4 of hard palate horizontal plate of palatine bone joined with maxilla at transverse palatine suture
incisive foramen small foramen behind incisor teeth, access to CNV (trigeminal)
nasal bone forms the bridge of the nose, articulates with frontal bone below glabella, maxilla laterally, perpendicular plate of ethmoid bone
palatine bone make up part of orbital floor, nasal cavity and back part of palate
vertical plates of palatine bone articulates with nasal conchae, ethmoid bone and vomer
vomer the flat bone forming the lower portion of nasal septum. supports perpendicular plate of ethmoid bone
zygomatic bone forms the cheek and lower outside rim of orbits
zygomatic arch where the zygomatic process of zygomatic bone meets zygomatic process of temporal bone
frontal process of zygomatic bone meets frontal bone
maxillary process of zygomatic bone meets the maxilla
lachrymal bone small channels called lachrymal fossa allow tear ducts to drain into the nasal cavity. articulates with frontal bone, ethmoid bone, maxilla and inferior nasal concha
lips soft, movable and visible part of mouth. food intake and articulation of sound and speech. extend from bottom of nose to mentolabial sulcus
vermillion incorrectly referred to as lips, is only the red part
oral cavity responsible for articulation in speech, tasting, chewing and swallowing. top formed by palatine bones and palatine processes of maxilla, bottom by mandible.
dental arcade formed by teeth from maxillary sockets (top) and mandibular sockets (bottom)
Created by: 100000299709410