Download Veterbrae Columns

Veterbrae
Cervical
Thoracic
Coccyx
1. 3-4 fused
coccyngeal
vertebrae
a. At the age
of 20-30
years old
1. Triangular in
shape
2. Smallest
among other
vertebrae
1. 5 lumbar
vertebrae
a. L1-L5
1. Small in size
1. Heart shape
1. Transverse process long
a. Contains foramen tranversum for
vertebral arteries
2. Spinous process
a. C2-C6 bifid, forming 2 splits at
the end
1. Tranverse process
a. Become less
prominent along its
course
b. Tranverse costal
facets located at
2. Spinous process
a. Long
b. Pointed
1.
1. Ariculates with ribs
2. Contained 2 types of
facets
a. Costal/Demi facets
(for ribs)
i. Superior
ii. Inferior
iii. Transverse
b. Articular facets (for
vertebral columns)
i. Superior
ii. Inferior
1. Large in size
1. Triangular in
2. Heavy in weight
shape
a. In order to
support body
weight
3. Cylindrical in
shape
1. Transverse
Absence
process
a. Lack of
articulation
with ribs
b. Thin
c. Long
2. Spinous process
a. Short
b. Blunt
1. Articulates with
1. The main
a. L5
supporter of
b. Coccyx
weight
2.
Contained
2. Susceptible to
a. 2 auricular
fracture in huge
surfaces
impact
i. Articulates with
Body
Atlas (C1) YES!
Shape
i. Ring of bone
ii. Ant and post arches
iii. Lateral bone masses
iv. Lack of body
b. Function
i. Sup articular facet articulates with condyle
of occipital bone
1. Flex and exten
2. Atlanto-Occipital joint
2. Axis (C2) NO!
a. Shape
i. Have body
b. Function
i. Den articulate with vertebral foramen of
atlas
ii. Allowning lateral rotation
a.
Special
features
Sacrum
1. 5 fused sacral
vertebrae
a. At the age of
16-30 years old
1. 12 thoracic
verterbrae
a. T1-T12
Counts
Processes
Lumbar
1. 7 cervical vertebrae
a. C1-C7
iii.
Forming Atlanto-Axial joint
Illiac
b. 2 superior articular
facets
c. Sacral hiatus
d. Sacral cornua
(horn)
e. 4 ant and 4 post
sacral foramina
Absence
1. Absence of
a. Vertebral
arches
b. Vertebral
canal