Chapter 7 Part 2 Skeleton
___ pairs of ribs are found in the adult human
12
The appendicular skeleton is comprised fo _____ bones.
126
The vertebral column contains ____ called vertebrae.
26 bones
Each finger has ____ , however, the thumb has only ____ .
3 phalanges and 2 phalanges
The cranium consists of ____ bones fused together by jagged, immovable joints.
8
The wrist is made up of _____ bones that are firmly bound into two rows.
8 carpal
____ bones make up the axial skeleton. ( a number)
80
The ilium meets the ischium and pubis at a cup like depression caled the ____ .
acetabulum
The _ forms the tip of the shoulder.
acromion process
The human skeleton is divided into two major divisions the ____ and the ____
axial skeleton and the appendicular skeleton
The second cerevical vertebra is the _____, it has a bony projection called the ____ on its body.
axis and dens
The heel bone is called the ________.
calcaneus
The first seven vertebrae are the ____
cervical vertebrae
The pectoral girdle is composed of the ____ and ____.
clavicle and scapula
The _ , or _ , is a slender elongated S shaped bone that runs between the scapula and manubrium
clavicle or collar bone
The ____ is formed by the fusion of four vertebrae.
coccyx
The ____ is a bony process of hte scapula that curves anteriorly and inferiorly to the clavicle.
coracoid process
On the anteriior side of the humerus is a depression, the ____, which receives a process of te ulna.
coronoid fossa
On the mandible, the _____ is the attachment for the muscles of chewing.
coronoid process
The ____ projects upward withn the ring of the atlas to privide a pivot for the atas.
dens
The lower cartilagenous portion of the sternum is the ____
diploid process
The _____is a small bone located in front of the sphenoid that separates the nasal cavity from the rest of the cranium.
ethmoid bone
located on the inferior margin of the temporal bone is the _____ , which brings sound wves to the ear.
external acoustic meatus
The last five pairs of ribs are called ____ .
false ribs
The _____ is the longest and strongest bone in the body.
femur
the bone of the upper leg is the ____
femur
The ____ does ot extend to the knee joint and does not bear any body weight.
fibula
The _____is the slender bone that extends down the lateral portion of hte lower leg.
fibula
The carpals articulate with the ____ that form the framework of the palm.
five metacarpal bones
The eleventh and twelth pair of ribs do not attach to the sternum and are called ____
floating ribs
In a newborn's cranium there are membranous areas called ____
fontanels
The occipital bone contains the ____ , a large opening on the lower surface for the passage of nerve fibers from the brain
foramen magnum
The ____ forms the forehead and the anterior roof of the cranium.
frontal bone
The ____is a depression in the shoulder blade that articulates with the head of the humerus.
glenoid fossa
The rounded upper end of the humerus fits into the ____ of the scapula.
glenoid fossa
The _____ is a long bone tht extends from the scapula to the ebow.
humerus
The _ supports the tongue and is an attachment for certain muscles that help move the tongue during swallowing.
hyoid bone
The ____ is a small arched bone that is not connected to any other bone.
hyoid bone
The upperost margin of the coxal bone is the _____ .
iliac crest
the upper portion of the coal bone is the ___
ilium
Above the sacrum, the unfused vertebrae are separated by ____ .
intervertebral disks
On the lower surface of the vertebral pedicle are notches that align with adjacent vertebrae to form an openig called the ____
intervertebral foramina
The lower portion of the coxal bone is the ____ .
ischium
The atlas supports the head on two ____ that articulate with the occipital condyle.
kidney shaped facets
Two plates called ____ arise from the pedice and fuse in the back to form a ____ .
laminae and spinous process
On the lower end of the fibula is the ____ , where ligaments attach.
lateral malleolus
The _____extends from the heel to the toes and the ____ stretches across the foot.
longitudinal arch and transverse arch
There are 5 ___ vertebrae
lumbar
The _____ is a horseshoe shaped bone that forms the lower jaw.
mandible
The ____ extends upward frm the mandible and articulates with the mandibular fossa of the temporal bone.
mandibular condyle
The _____ is a depression in the temporal bone where it articulates with the mandible.
mandibular fossa
The ____ is the uppermost shield shaped portion of the sternum
manubrium
The ____ is a rounded process just behind the ear, that serves as an attachment for muscles.
mastoid process
The ____ form the upper jaw.
maxillae
The ____are long thin, nearly rectangular bones that fuse to form the bridge of the nose.
nasal bones
The ____ bone forms the back of the skull and the posterior cranial floor.
occipital
The occipital boe contains two rounded processes, called ____ , that articulate with the first cervical vertebra.
occipital condyles
On the posterior side of the humerus is a depression, the ____ , that receives the end of the ulna when the arm is straightened at the elbow.
olecranon fossa
The proximal end of the ulna is called the ____ .
olecranon process
Air filled cavities called ____reduce the skull's weight and increase the intensity of the voice.
paranasal sinuses
The _____ bones forms the posterior roof of the crnium and are arched fattened bones.
parietal
The ____ is located in a tendon that passes anteriorly over the knee.
patella
The ____ connects the arm bones to the rib cage.
pectoral girdle
The appendicular skeleton is composed of the _ , _ , _ , and _ .
pectoral girdle , upper limbs , pelvic girdle , and lower limbs
Projecting posteriorly from each vertebral body are two short stalks called ____
pedicles
The ____ connects the leg bones to the sacrum.
pelvic girdle
The left and right pubic bones fuse at the midline at a joint called the ____
pubic synthesis
The ____ is located on the thumb side of the forearm.
radius
The ____ extends from the elbow to the wrist and crosses over the ____ when the hand is turned palm down.
radius and ulna
The _____ is a triangular structure formed by the fusion of 5 vertebrae.
sacrum
The parietal bones are joined at the midline by the ____ and to the frontal bone by the _____ .
sagittal suture and coronal suture
The _____is a large triangular bone, on either side of the back, connected to the axial skeleton.
scapular or shoulder blade
A portion of the sphenoid bone indents to form the ____ which houses the pituitary gland.
sella turcica
The ankle is formed by a series of _____
seven tarsals
The axial skeleton is composed of the ____ , _____ , _____ , and ____ .
skull , cranium , vertebral columns , and thoracic cage
The ____ bone forms the anterior internal floor of the cranium, sides of the skull and floor and sides of the orbits.
sphenoid
The thoracic cage is formed by the _ , _ , _ and _ .
sternum , ribs , thoracic vertebrae and costal cartilage
The ____ or ______, is located on the midline of the anterior thoracic cage
sternum or breast bone
The ____ alows blood vessels and nerves to enter the fronta bone tissue.
supraorbital forearm
The cranium is composed of eight bones fused together by jagged imovable joints called ____
sutures
One of the tarsal boes the ____ , can move freely where it joins the tibia and fibula.
talus
____bones form the lateral walls of the cranium.
temporal
There are 12 ____ vertebrae.
thoracic
The ____ is the larger bone in the lower leg.
tibia
____ extend laterally and posteriorly from the vertebra to act as attachents for muscles of the back
transverse processes
muscles of the leg and buttocks attach to the ____
trochanters
The proximal end of the ulna has a wrench like opening, the ____ , that articulates with the humerus.
trochlear notch
The first seven pairs of ribs are caled ____ because they are joined directly to the sternum by _____ .
true ribs and costal cartilage
The ____ is located on the little finger side of the forearm.
ulna
The _____ is the larger of the two bones of the forearm
ulna
The spinal cord passes through the ____ formed by the vertebral arch that encloses and protects the spine.
vertebral canal
The ____ extends from the base of the skull to the pelvis and forms the _____ of the skeleton.
vertebral column and vertical axis
The ____ is located on the midline of the nasal cavity, it divides the cavity into right and left sides.
vomer
The ____ bones form the prominences of the cheeks.
zygomatic
The temporal process joins the zygomatic process to ofrm the _____
zygomatic arch
The ____ is a projection of the temporal boe that helps form the cheek.
zygomatic process
