Chapter 8 Flashcards
How many skeletal bones typical adult
206
-270 at birth, decreases with fusion
Spinal cord goes thru the
Foramen Magnum
Sella turcica
Contains pit that houses the pituitary gland
Posterior cranial fossa contains the
Cerebellum
8 Cranial bones.
1 frontal
2 parietal
2 temporal
1 occipital
1 sphenoid
1 ethmoid
12-21-11
Coronal suture at
Anterior margin
What bone will be the location of Visual information?
Occipital bone
Superior orbital fissure
Allows passage of nerves
Cribriform plate
Nose bone. Easily broken
TMJ
Disc too big or too small
Smallest bones in the body
Auditory- Middle ear cavity
Ex: malleus, incus, stapes
Two frontal bones fused by what age
6
Kyphosis
Concave interior direction
(Curved outward toward the back)
There are 2
Lordosis
Concave and posterior direction
(Curved outward toward front)
There are 2
LKLK
A spinous process extends from
Apex of arch
Transverse processes extend..
Laterally! from where each pedicle and lamina meet
Superior vertebral notch in the pedie of the
Lower vertebrae
Inferior vertebral notch in the pedicle of the
Upper vertebrae
Nucleus pulposus
Inner gelatinous mass
Anulus fibrosus
Outer ring of fibrocartilag
What is the main vertebrae for rotation?
99% of rotation is C1 because it is floating
T?-T? have transverse coastal facet on each transverse process for rib articulation
T1-T10
Rib articulates with…
Inferior coastal facet of vertebrae above and
superior coastal facet of vertebrae below
Lumbar vertebrae (L1-L5)
-Lumbar region resist to twisting movements
-Blunt squarish spinous process
Auricular surface
Forms Sacroiliac joint (SI) With hip bone
Superior articular processes
Articulate with L5
The thoracic cage
-Protects lungs and heart
-some protection of spleen, liver, kidneys
-Provides attachment for pictorial girdle and upper limbs
Hyaline cartilage also called
Costal cartilage
Ribs 1 to 7 are _____ ribs
True ribs
(Vertebrosternal)
Ribs 8 to 12 are _____ ribs
False
Lacks connection to sternum
Clavicle articulates !medially! to the Sternum to form what joint
Sternoclavicular joint
Medially
Clavicle articulates “laterally” to the scapula to form what joint
Acromioclavicular joint
Laterally
What keeps the arms away from the midline?
Clavicle
Hammer like head of clavicle articulates with the sternum
Sternal end (of clavicle)
Flattened end of clavicle articulates with the scapula
Acromial end (of clavicle)
T/F
the clavicle is frequently fractured
True
The scapula is a triangular plate, like bone that posteriorly overlies which ribs
Ribs 2-7!!!!!!!!!!!!!
Carpal region contains how many bones
8 small bones arranged into rows at base of hand
Acromion
Articulates with the clavicle to form the sole point of attachment of scapula
Coracoid process
Attachment for tendons of biceps Bracchi, and other arm muscles
Interosseous membrane (IM)
Attaches radius to ulna
Carpal bones names
-Some lovers try positions that they can’t handle
-know Scaphoid and Lunate
Articulation of the carpal bone is located at the…
Radius
Bones from wrist to fingertips
Carpal bones, metacarpal bones, phalanges
True or false.
Women have a thinner sciatic arch?
False. Wider
What attaches to the head of the femur?
The neck
What is the only weight-bearing bone of the crural region?
Tibia
True/false
Fibula is protection vs tibia is weight bearing.
True
What are tarsal bones
Foot bones
What is the biggest bone in the foot?
Calcaneus
Flat feet called
Pes planus