Axial and Appendicular Skeleton

Alveolar margin

A ridge on the mandible encircling the alveoli of teeth and separating the teeth from the jaw bone

Anterior fontanelle

A soft spot located at the junction of the coronal, frontal, and sagittal sutures in a skull of an infant

Body

A horseshoe- like center part of the mandible

Crista galli

A ridge projecting from the cribriform plate

External occipital crest

A ridge on the surface of the occipital bone. It goes vertically and crosses the inferior nuchal line

Temporal

The highlighted openings are a component of which bones? A paired opening in the base of the skull between the occipital, sphenoid, and temporal bones

Foramen rotundum

A foramen in the sphenoid bone allowing a branch of the trigeminal nerve to pass

Foramen spinosum

A foramen in the greater wing of the sphenoid bone just lateral to the foramen ovale

Frontal sinus

An empty space in the frontal bone connected with the middle nasal meatus

Greater horn

Part of the hyoid bone projecting backward from the body of it

Greater wings

The two largest symmetric processes of the sphenoid bone

Hypoglossal (XII)

Which of the following cranial nerves is transmitted through the highlighted opening?

Maxilla and sphenoid

The highlighted openings are primarily formed by which of the following bones?

lambdoid

Which suture is highlighted? A large suture at the back of the skull located right behind the ear canal

lesser wings

A thin paired triangular plate of the sphenoid bone. It contains the optic foramen.

mastoid process

A process located below and behind the opening of the ear canal

occipital condyles

A protuberance on the occipital bone. It serves to articulate the skull to the axis

petrous

a pyramid-like and very solid part of the temporal bone

pterygoid process

A process of the sphenoid bone it consists of two lamellae and points strictly downward

superior orbital fissures

sphenoid

hyoid

True or false. The highlighted structure directly articulates with the ischium of the coxal bone.

FALSE

True or false. The highlighted vertebrae articulate with the ribs.

FALSE

True or false. The highlighted structure is a feature found on all of the vertebrae.

TRUE

ala

apex

auricular surface

cervical vertebra

The highlighted structure articulates with which of the following?

cervical vertebrae and curvature

transverse foramina

What is a feature unique to the highlighted vertebrae?

head of rib

The highlighted structure articulates with which of the following?

costal demifacet

allows lateral rotation of the head

Which of the following best describes the function of the highlighted structure?

inferior articular facet

inferior articular facets of the atlas

inferior articular process

spinal roots

Which of the following structures travel through the highlighted opening?

intervertebral foramina

lumbar curvature and vertebra

at the time that a child is able to sit up

When does the highlighted curvature develop?

median sacral crest

pedicle

sacral canal

Which opening is highlighted?

sacral foramina

Which openings are highlighted?

sacral promontory

Scoliosis

________ is a condition characterized by the exaggerated lateral bending of the highlighted structure.

superior articular facet

superior articular process

thoracic vertebrae

transverse process

vertebral foramen

True or false. The bone in this image directly articulates with all 12 ribs.

FALSE

True or false. The highlighted bone articulates with a thoracic and lumbar vertebra.

TRUE

True or false. The highlighted structure is composed of hyaline cartilage for most of your life.

TRUE

acromia

Scapula

The highlighted features are found on which of the following bones?

articular tubercle

scapula and sternum

The highlighted bones articulate with which two bones?

clavicular notches

coracoid processes

costal cartilages of true ribs

costal groove

floating ribs

Floating

How would you classify the highlighted ribs?

jugular notch

platysma

Which of the following muscles do NOT originate on the highlighted structure?

neck

anterior costotransverse ligament

Which of the following ligaments attaches to the highlighted structure?

sternal angle

aligns with the superior border of the heart

The highlighted structure is an important clinical marker. What is its significance?

true ribs

sternum

Which bone is in this image?

acromioclavicular

Which joint is highlighted?

conoid tubercle

prominence of bone that allows for muscle attachment

Which of the following best describes the function of the highlighted structure?

costal tubercle

spine

sternal end

subscapular fossa

superior angle

supraspinous fossa

supraspinatus

Which of the following muscles originates on the highlighted structure?

scapula

Which bone is in this image?

True or false. The highlighted bone articulates with the ulna.

FALSE

anatomical neck

capitulum

coronoid process of the ulna

During flexion of the forearm, the highlighted structure receives the ________.

coronoid process

distal phalanx of 3rd digit

head of radius

head

intertubercular sulcus

lateral supracondylar ridge

lunate

medial epicondyle

1st metacarpal

anconeus

Which of the following muscles inserts on the highlighted structure?

Long

How would you classify the group of highlighted bones?

radial notch