Skull/Vertebral Column/Pectoral Girdle/Thoracic Cage/Upper Extremity Study Set

Frontal Bone

bone that forms the forehead

Parietal Bone

either of two skull bones between the frontal and occipital bones and forming the top and sides of the cranium

Occipital Bone

back of head

Temporal Bone

bone that forms parts of the side of the skull and floor of the cranial activity. There is a right and left temporal bone.

lacrimal bone

small fragile bone making up part of the front inner walls of each eye socket and providing room for the passage of the lacrimal ducts

ethmoid bone

forms part of the posterior portion of the nose, the orbit, and the floor of the cranium

sphenoid bone

forms part of the base of the skull and parts of the floor and sides of the orbit

vomer

nasal septum

mandible

lower jaw

coronoid process

where the mandible meets the zygomatic bone

mandibular condyle

Articulation point of the mandible with the mandibular fossa of the temporal bone

mental foramen

Small openings in the jaw bone through which blood vessels/nerves exit

supraorbital foramen

small opening superior to each eye socket

infraorbital foramen

opening under the orbit carrying the infraorbital nerves and blood vessels the nasal region

foramen magnum

the hole in the base of the skull through which the spinal cord passes.

external acoustic meatus

ear canal

nasal bone

bridge of nose

zygomatic bone

cheek bone

maxilla

upper jaw

coronal suture

the suture between the parietal and frontal bones of the skull

squamous suture

Between parietal and temporal bones

lambdoid suture

between parietal bones and occipital bone

sagittal suture

between parietal bones

mastoid process

round projection on the temporal bone behind the ear

styloid process

pole-like process extending downward from the temporal bone on each side of the skull

zygomatic process

a projection of the temporal bone that forms part of the zygoma

palatine bone

soft palate

palatine process of maxilla

The portion of the maxillary bone that forms most of the hard palate. It consists of 2 pieces of bone that grow and fuse at the midline during the fetal stage.

occipital condyle

ridges on left and right of foramen magnum

crista galli

ethmoid bone

cribiform plate

superior surface of the ethmoid; perforated by a foramina which allows passage of the olfactory nerves, which provide sense of smell

sella turcica

depression in the sphenoid bone where the pituitary gland is located

anterior fontanel

Anterior side of the skull

Where the sagittal suture and coronal suture meet

Cervical Vertebra

Look for transverse foramen

Spinous process

sharp, slender projection

transverse foramen

only found in the cervical vertebrae and allow passage of the vertabral artery

Transverse process

Lateral projections on both sides of the vertebral arch

superior articular facet

The superior articular facet is the smooth surface of the superior articular process, faces posteriorly

inferior articular facet

The inferior articular facet is the smooth surface of the inferior articular process, faces anteriorly

body of vertebrae

Solid anterior portion of Vertebrae

vertebral foramen

canal through which spinal cord passes

lamina

part of the vertebral arch (between spinous and transverse processes)

Atlas

C1

posterior arch of atlas

where you would expect to find a spinous process

anterior arch of atlas

A small arch on the atlas that would be in the ventral most part of the body. Look for facet for articulation with dens

facet for articulation with dens (C1)

the site for articulation between Atlas and Axis, on anterior arch of atlas

odontoid process (dens)

process of the axis which articulates with the facet for articulation of the dens of C1

thoracic vertebrae

the second set of 12 vertebrae; form the outward curve of the spine and are known as T1 through T12

costal facets

part of the thoracic vertebrae that are articular surfaces for the tubercle and head of the ribs

costal facets

part of the thoracic vertebrae that are articular surfaces for the tubercle and head of the ribs

Pedicle

a supporting column, connects vertebral arch with vertebral body

Sacrum

bone formed from five vertebrae fused together near the base of the spinal column

sacral promontory

anterior lip of the base (superior end) of the sacrum

superior articular process

large extension off of the sacrum for articulation with L5

sacral foramina

holes in sacrum

sacral canal

continuation of vertebral canal

auricular surface of sacrum

Superior and lateral surface for articulation with the ilium of pelvis

sacral hiatus

inferior opening of the sacral canal

sacral crest (tubercle)

an unpaired crest formed by the fused spinous processes of the upper four sacral vertebrae

Coccyx

four vertebrae fused together to form the tailbone

Sternum

breastbone (manubrium, body, xiphoid process)

Body of sternum

the bony structure that forms the middle portion of the sternum

manubrium

upper portion of the sternum

xiphoid process

lower portion of the sternum (arrowhead)

Ribs

The bones in the chest that protect the heart and lungs.

head of rib

Articulates with the costal facet of a thoracic vertebral body.

neck of rib

between head and tubercle

tubercle of rib

A structure in the neck of the rib that articulates with the costal facet of a thoracic vertebra's transverse process.

angle of rib

portion of rib with greatest curvature; together, the rib angles form the most posterior extent of the thoracic cage

Scapula

shoulder blade

superior angle of scapula

Name this specific part of the scapula.

Inferior angle

Name this specific part of the scapula.

superior border of scapula

Name the region of the bone.

medial border of scapula

Name the region of the bone.

lateral border of scapula

Name the region of the bone.

coracoid process of scapula

Name the structure.

acromion process of scapula

What structure is highlighted?

glenoid cavity

Name this specific part of the scapula.

spine of scapula

Name the structure.

supraspinous fossa

Name this specific area of the scapula.

infraspinous fossa

Name this specific area of the scapula.

subscapular fossa

Name this specific part of the scapula.

suprascapular notch

Name this specific part of the scapula.

head of humerus

Name the structure.

anatomical neck of humerus

What structure is highlighted?

surgical neck of humerus

What structure is highlighted?

greater tubercle of humerus

Name the structure.

lesser tubercle of humerus

Name the structure.

intertubercular sulcus

bicipital groove

deltoid tuberosity

Name this specific part of the humerus.

coronoid fossa

Name this specific part of the humerus.

olecranon fossa

Name this specific part of the humerus.

capitulum

Name this specific part of the humerus.

Trochlea

Name this specific part of the humerus.

medial epicondyle

Name this specific part of the humerus.

lateral epicondyle

Name this specific part of the humerus.

olecranon process

Name this specific part of the ulna.

trochlear notch

Name this specific part of the ulna.

coronoid process

Name this specific part of the ulna.

radial notch

Name this specific part of the ulna.