Axial Skeleton Flashcards by Keesha savage

Q

What is the Axial Skeleton

A

body axixs composed of the skull, thoracic cage and vertebral column.

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Q

Major bone of the forehead

A

Frontal Bone

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Q

superior ridge of the eyesocket

A

Supraorbital Margin

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Q

the ridge above the eyesocket indicating the location of the frontal sinus

A

supercilliary arch

people would look super silly without them

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Q

the smooth trianglular part of the frontal bone found midline directly above the nasal bones connecting the superciliary arches

A

Glabella

edward kisses bella on the glabella

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Q

cavity within the frontal bone

A

frontal sinus

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Q

Large paired bone located in the superior portion of the skull

A

Parietal Bone

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Q

runs laterally, joinig the frontal and parietal bones

A

Coranal Suture

runs where I would wear a crown

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Q

runs anteriopostiorally joining the two parietal bones

A

sagittal suture

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Q

paired bone located on the lateral sides of the skull

A

temporal bone

where your temple is

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Q

runs anteriopostiriorally jointing the temporal and parietal bones

A

squamous suture

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Q

articulates with the condylar process of the mandible

A

mandibular fassa

where the madible connects

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Q

articulation of the mandibular fossa and the condylar process of the mandible

A

temporomandibular joint

joins the temporal and the mandible

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Q

opening in the temporal bone extending to the inner ear

A

external auditory (acoustic) meatus

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Q

short canal in the petrous part of the temporal bone, extentding laterally towadrs the inner ear

A

internal auditory (acousitc) meatus

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Q

dense bony ridge on the interior surface of the temporal bone, location of the middle and inner ear cavities

A

Petrous Part

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Q

long sharp process of the temporal bone extending inferiorly

A

Styloid Process

it sticks up like a stylettoh heel

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Q

rounded process of the temporal bone posterior to the styloid process and extending inferiorly

A

Mastiod Process

it is the massive one

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Q

located between the styloid and mastoid processes; passageway for the facial nerve

A

stylomastoid foramen

the hole between styloid and the mastoid processes

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Q

located on petrous part of the temporal bone anterior to the jugular foramen

A

Carotid Canal

I drove my sylish massive car into the carotid canal

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Q

located on the inferior petrous part of the temporal bone posterior to the coratid canal

A

Jugular foramen

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Q

arch of bone extending anteriorly from the temporal bone

A

zygomatic process

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Q

paired bone which paticipates with the zygomatic process

A

zygomatic bone

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Q

arch of bone extending posteriorly from the zygomatic bone

A

temporal process

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fromed by the union of the zygomatic bone and the zygomatic process of the temporal process

zygomatic arch

most posterior and inferior bone of the skull

occipital bone in the back becasue that is where the occipital lobe is and where all the things that go with vision

runs transversely joining the occipital and paietal bones

lamdoid suture looks like a lamda (upside down Y)

irregular bone within a cranial suture

sutural bone

medium protrusion on the occipital bone posterior and superior to foramen magna

external occipital protuberance

runs horizontally from external occipital protuberance

superior nuchal line

large opening on the inferior part of the skull

foramen magnum

paired rounded processes lateral to the foreman magnum

occipital condyle

paired canal superior to occipital condyle

hypoglossal canal

region of the occipital bone anterior to the foraman magnum

basilar part

butterfly-shaped bone forming the floor of the cranium

sphenoid bone

posterior and inferior ti the lesser wing on the interior of the skull, also visable in the posterior orbit aside and lateral side of the skull

greater wing

anterior and superior to the greater wing on the interior of the skull

lesser wing

fissure between greater and lesser wings of sphenoid visable from the orbits

superior orbital fissure

fissure in the orbit floor between the maxilla and the greater wing of the spheniod

inferior orbital fissure

saddle like depression posterior to lesser wing

sella turcica **tur**kish saddle

paired cavity located within the shenoid, inferior to the sella turcica

sphenoidal sinus

sharp process that laterally and inferiorly projects from the sphenoid

lateral pterygold plate

sharp process that medial and inferioraly projects from the spheniod

medial pterygold plate

paired opening through lesser wing of the sphenoid

optic canal

paired opening to the lateral to the sella turcica

foramen lacerum where the cowboy puts his lasso

paired opening lateral to the base of the sella turcica

foraman ovale the cowboy spits over the valley

paired opening anterior to the foramen ovale

foramen rotundum for the coyboys round toe boots

paired opening at the posterior margin of the sphenoid

foramen spinosium where the spit goes after it goes over the valley

located between the orbits and between the sphenoid adnd nasal bones; forms the roof of the nasal cavity

ethmoid bone

superior projection in the middle of the cribiform place of the ethmoid bone

crista galli put crista in the crib

porous bone surrounding the crista galli in the floor of the cranium through which olfactory nerves pass

cribriform place put crista in the crib

numerous cavities within the ethmoid bone

ethmoid sinus

median inferior projection of the ethmoid; forms superior nasal septum

perpendicular plate

bone forming the inferior and posterior portion of the nasal septum

vomer

bone that protrudes into the inferior part of the nasal cavity; also known as the inferior turbinate bone

inferior nasal concha looks like a **conch** shell

posterior bone of the hard palet

palatine bone

paired fused bone if the upper jaw and central face

maxilla

antierior portion of the hard palate

palatine process

paired opening inferior to the orbit

infraorbital foramen

paired cavity found within the maxilla

maxillary sinus

bony portion of the roof of the mouth, includes palatine bone and palatine process of the maxillary bone

hard palate

paired bone forming part of the medial wall

lacrimal bone

opening in the lacrimal bone

nasolacrimal canal

paired bone composing the superior portion (bridge) of the nose

nasal bone

lower jaw

mandible

most antrior part extending horiziontally to the angle of the mandible

body

where the body and the ramus of the mandible meet

angle

the vertical portion of the mandible extending from the angle

ramus

anterior process of the ramus

coronoid process corn before cond

the most posterier process of the ramus which contributes to the tempomandibular joint

condylar process corn before cond

seperates the coronoid from the condylar process

mandibular notch

paired opening on the medial surface of the ramus

mandibular foramen

paired opening on the antirior aspect of the body

mental foramen

protusion in the center of the chin indicating fusion of the two mandibular bodies

mental protuberance

socket lined with connective tissue in which a tooth is fastened

alveolus teeth socket

projection of the maxilla and mandible where tooth sockets are located

alveolar margin

U-shaped bone located in the neck superior to the larynx

hyoid bone

fibrocartilidge cushion between the vertebral bodies

intervertebral disc between vertebre

basic bone unit of the vertebral column

vertebra

anterior portion of the vertebra

body

posterior projection from vertebral body that supports the lamina

pedicle

lateral projection of the vertebra for muscle/ligament attachment

transverse process

paired arches supported by the pedicles located posterior to vetebral body

lamina when the moose is lamenting, the tears run down the **lamina**

most posterior projection of the vertebra for muscle/ligament attachment

spinous process the mooses nose

opening in the vertebral body through which the spinal chord extends

vertebral foramen

paired (superior and inferior) process which articulates with process of adjacent vertebrae

articular process ears of the moon

smooth surface of articular process

articular facet the flat part

7 total smallest of the vertebrae; more round three holes

cervical vertebrae

paired openings on the transverse process

transverse foramen

supports the head; perfectly round

atlas (C1)

serves as pivitol point for atlas and skull

axis (C2) the Dens (odontoid process) identifies it

process of the axis which passes though the vertebral foramen of the atlas

Odontiod Process | (dens)

12 total; vertebrae with circular vertebral foramen and long spinous process

thoracic vertebrae

depression on transverse process; articulates with the tubercle of the ribs

costal facet

half facet on superior and inferior edges of each vertebral body; articulates with head of ribs

costal demifacet

5 total; vertebrae with stongly built components for weight bearing

lumbar vertebrae triangular foramen; articular process is curved

composed of five fused vertebrae forming posterior wall of pelvis

sacrum

lateral part that aticulates with the os coxa though the sacroilliac joint of the pelvis

auricular surface looks like an ear

fused posterior spinous processes of the sacral vertebrae

median (middle) sacral crest dino bumps

openings on the posterior side of the sacrum

posterior sacral foramina

openings on the anterior side of the sacrum

anterior sacral foramina

4 fused vertebrae froming the triangular "tailbone"

coccyx

anterior midline anchor for the ribs; composed of three bones

sternum

superior portion of the sternum

manubrium knot of the tie

important anotomical landmark located in the superior portion of the mandible

jugular (suprasternal) notch

middle portion of the sternum that articulates with T2-T7 rib cartilage

body the tie part

paired site on the sternum for attachment of costal cartlidge

costal notch

small inferior portion of the sternum

xiphoid process tip of the tie

connective tissue that connects the ribs to the sternum

costal cartilage

angle formed posteriorly by last floating rib and vertebral column inferior to it

costovertebral angle

ribs

directly attached to the sternum

true ribs

not directly attached to the sternum

false ribs

rounded part of rib which articulates with the thoracic vertebrae via two costal demifaucets

head

region of rib between the head and tubercle

neck

prominence near the head of the rib which articulates with costal facets of thoracic vertebrae

tubercle

curved portion of the rib

angle

elongated portion of the rib associated anteriorly with costal cartilage

shaft

groove on the inferior side of the rib shaft

costal groove