ASU BIO 201 LAB PRACTICAL #1 (Skeletal and joints)

axial skeleton

Portion of the skeletal system that consists of the skull, rib cage, and vertebral column

appendicular skeleton

Bones of the limbs and limb girdles that are attached to the axial skeleton

long bones

longer than they are wide

short bone

carpals and tarsals

flat bones

These bones are thin, flat, and curved. They form the ribs, breastbone, and skull.

irregular bones

bones of the vertebrae and face

mandibular condyle

Name this part of the mandible.

epicondyle process

projection above a condyle: a raised area of bone that sits on or above a condyle (the smooth knuckle-like surface where bones link together) and serves as a major attachment point for muscles and ligaments

crest process

a narrow ridge projection along the surface of a bone: ie-along the pelvis

facet process

smooth flat articular surface

fissure

an opening; a groove; a split

foramen magnum

Round or oval opening through a bone

fossa

shallow depression in a bone

head process

rounded articular projection supported on the neck of a bone

Meatus

canal-like passageway

process

any bony prominence

protuberance

a bony outgrowth or protruding part

Tubercle

small rounded projection

Tuberosity

Large rounded projection; may be roughened

Sutures

Areas where the cranial bones have joined together

Coronal (Sutures of The Skull)

separates frontal bone and parietal bone

lambdoid suture

between parietal bones and occipital bone

sagittal suture

separates the left and right parietal bone

squamous suture

Between parietal and temporal bones

internal acoustic meatus

A passage for CN VIII from the inner ear to the brain.

optic foramen (canal)

opening located just anterior to sella turcica to allow optic nerves to pass from eyes to brain

parietal bone of skull

Name this bone.

Frontal bone

forehead

occipital bone (skull)

back of skull

temporal bone of skull

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

zygomatic process

Name this part of the temporal bone.

styloid process

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

mastoid process

Name this bony landmark.

external auditory meatus

ear canal

Maxilla

upper jaw

Zygomatic bone

cheek bone

lacrimal bone

Name this bone.

Nasal

nose

inferior nasal concha

located on each side of the nasal septum, attached to the lateral wall of the nasal cavity; increase epithelial surface area and create turbulence in the inspired air

palatine bone

either of two irregularly shaped bones that form the back of the hard palate and helps to form the nasal cavity and the floor of the orbits

Mandible

lower jaw

Vomer

nasal septum

sphenoid

wedge-shaped bone at the base of the skull

ethmoid bone

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

hyoid bone

a U-shaped bone in the neck that supports the tongue.

cervical vertebrae

C1-C7

thoracic vertebrae

T1-T12

lumbar vertebrae

L1-L5

Sacrum Vertebrae

5 fused vertebrae

Coccyx

tailbone

vertebral foramen

canal through which spinal cord passes

spinous process

sharp, slender projection

Pedicle

Name this specific part of the thoracic vertebra.

lamina

part of the vertebral arch

Atlas and Axis Vertebrae

pivot joint

dens of axis

Identify

Sternum

breastbone

Manubrium of sternum

top of sternum

xiphoid process

lower, narrow portion of the sternum

Ribs

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

true ribs

first 7 pairs of ribs; attach directly to sternum

false ribs

last 5 pairs of ribs; attach indirectly to sternum

floating ribs

last two pairs of ribs; do not attach to sternum

atlantoaxial joint

articulation between the atlas and axis

atlanto-occipital joint

articulation between the atlas and the cranium

intervertebral joints

between adjacent vertebral bodies of spinal column

vertebrocostal joint

between the vertebrae and ribs

sternoclavicualr joint

-between sternum manubrium and the clavicle

-reason why we have so much ROM in arm

sternocostal joint

between the sternum and ribs

acromial end

Name this specific part of the clavicle.

sternal end

Name this specific part of the clavicle.

conoid tubercle

prominence on inferior surface of the lateral end of clavicle

spine of scapula

Name the structure.

Acromion

Outward extension of the shoulder blade forming the point of the shoulder.

infraspinous fossa

Name this specific area of the scapula.

glenoid cavity (fossa)

lateral aspect of scapula which serves as point of articulation with the humerus

coracoid process

process above the glenoid cavity that permits muscle attachment

supraspinous fossa

Name this specific area of the scapula.

lateral border of scapula

Name the region of the bone.

medial border of scapula

Name the region of the bone.

subscapular fossa

Name this specific part of the scapula.

head of humerus

Name the structure.

greater tubercle

Name this specific part of the humerus.

lessor tubercle

proximal and anterior

Intertibercular Groove

between the two tubercles attaching tendons

deltoid tuberosity

raised area on lateral surface of humerus to which deltoid muscle attaches

medial epicondyle

Name this specific part of the humerus.

lateral epicondyle

Name this specific part of the humerus.

olecranon fossa

Name this specific part of the humerus.

Trochlea

Name this specific part of the humerus.

capitulum

Name this specific part of the humerus.

olecranon process

projection at the upper end of the ulna that forms the bony point of the elbow

trochlear notch

articulates with trochlea of humerus

radial notch

Name this specific part of the ulna.

coronoid process

Name this specific part of the ulna.

head of ulna

distal end of ulna

styloid process of ulna

Name the structure.

radial tuberosity of radius

insertion of biceps brachii

styloid process of radius

Name the structure.

head of radius

articulates with capitulum of humerus