Spinal Column Flashcards
(29 cards)
How many bones in the human body?
206 bones
How many bones in the axial skeleton?
80
How many bones in the appendicular skeleton?
126
What is the axial skeleton?
skull, thoracic cage, and vetebral column
What is the appendicular skeleton?
arms, legs, pectoral girdle, and pelvic girdle
How many vetebrae in the spine?
33
How many movable vetebrae in the spine?
24
What is atlas?
the first cervical vetebrae that holds up the head; aka C1
What is axis?
the second cervical vetebrae; aka C2 aka epistropheus
How many cervical vertebrae are there?
7
How many thoracic vertebrae are there?
12
How many lumbar vertebrae are there?
5
How many bones in the sacrum?
5 (fused)
How many bones in the coccyx?
4 (fused)
What is atypical vertebrae?
C1 and C2;
What is the joint between sacrum and coocyx?
sacrococcygeal joint
What are facet joints?
gliding/planar/ zygapophyseal (Z) joints that connect vetebrae
What are primary curves?
kyphosis (from baby); thorasic and sacral curvatures
What are secondary curves?
lordosis, cervical and lumbar
Know parts of atlas?
- anterior arch with tubercle
- posterior arch with tubercle
- lateral mass
- transverse process
- transverse foramen (vertebral artery)
Parts of axis?
- odontoid or dens
- transverse foramen
- transverse ligament
What are pedicles?
posts of bone coming off of the body
What are pedicles?
posts of bone coming off of the body of the vetebrae
What are lamina?
parts of the vetebrae between the transverse process and the spinous process