5 Axial Skeleton2 Flashcards
Frontal bone
Frontal bone

Parietal bone
Parietal bone

Temporal bone
Temporal bone

Sphenoid bone
Sphenoid bone

Ethmoid bone
Ethmoid bone

Lacrimal bone
Lacrimal bone

Nasal bone
Nasal bone

Zygomatic bone
Zygomatic bone

Maxilla
Maxilla

Vomer

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

Palatine bone
Palatine bone

Optical canal
OC

Foramen rotundum
FR

Foramen magnum
FM

Foramen spinosum
fs

Foramen lacerum
FL

Jugular foramen
JF
Hypoglossal canal
HC

Coronal suture
CS

Lambdoid suture
LS

Sagittal suture
SS

Squamous suture
ss

Ethmoidal sinus
in green

Frontal sinus
Blue above the eye orbital

maxillary sinus
purple

Sphenoidal sinuses
Orange

Cervical vertebral
C1-C7, C1 Atlas, C2 Axis
Thoracic vertebral
T1-T12
Lumbar
L1-L5
Sacrum vertebral
S1-S5 fused
Coccyx
4 fused
Kyphosis
hunchback
Lordosis
swayback
Scoliosis
curved spine
Intervertebral disc
Intervertebral disc

Vertebrae body

Vertebrae Pedicle
vp

Vertebrae Transverse process
tp

Vertebrae lamina
vl

Vertebrae spinous process
sp

Vertebral foramen
Vertebral foramen

Vertebral Articular process
Articular process
Transverse foramen (Only cervical)
Transverse foramen (Only cervical)

Costal facet and demifacet (Only thoracic)

Costal facet and demifacet (Only thoracic)

Vertebral Column Posterior Longitudinal ligament

Vertebral Column Interspinous ligament

Vertebral Column Supraspinous ligament

Vertebral Column Ligamentum flavum

Vertebral Column Inferior articular process
Vertebral Column

Vertebral Column Superior articular process
Vertebral Column

Vertebral Column Anterior longitudinal ligament
Vertebral Column

Intervertebral disc Anulus fibrosus
Outer rings, ligament, Inner rings, fibrocartilage, Limits expansion of nucleus pulposus

Intervertebral disc Nucleus pulposus
Gelatinous, high water content, Enables spine to absorb compressive stress

Sternum
s

True Ribs
T1-T7

False ribs & floating ribs
T8-T12, T11 and T12 are also known as floating ribs

Costal Cartilage
CC

Manubrium (Sternum)
MS

Sternum Body
SB

Xiphoid Process
XP

How ribs attach to the vertebral column
The head of the rib articulates with the costal demifacet of the thoracic vertebrae The tubercle of the rib articulates with the costal facet of the thoracic vertebrae
