Axial Skeleton Bones (Practical Two)

Anterior fontanelle

Soft spot on fetal skull near front of head

Body of mandible

Bottom horizontal portion of jawbone

Coronal suture

Connects frontal bone to parietal bone in skull

Coronoid process of the mandible

Juts out from front of mandible after the curve

Cribriform plate of ethmoid bone

Porous side points of ethmoid bone

Crista galli of ethmoid bone

Raised midpoint of ethmoid bone

Ethmoid bone

Bone visible in back of nose and top of top down view surrounded by the frontal bone

External acoustic meatus of

temporal bone

Hole/dip in the temporal bone

Foramen magnum of occipital bone

Large hole in occipital bone where spinal cord connects

Frontal bone

Bone of the forehead

Lacrimal bone

Bone on side of nose behind the nasal bone

Lambdoid suture

Connects occipital and parietal bone in back of skull

Mandible

Lower jaw bone

Mandibular condyle

Very top portion of mandible that rests inside the temporal bone

Mandibular fossa of temporal bone

Divid/groove that the mandibular condyle rests inside of on the temporal bone

Mandibular notch

Curve on the top portion of mandible between the condyle and the coronoid process

Mastoid process of temporal bone

Triangular jut out of the temporal bone

Maxilla

Upper jaw bone

Nasal bone

Form the nasal bridge

Occipital bone

Bottom back of the skull

Occipital condyle

Ridges on either side of the occipital foramen magnum

Palatine bone

Form the back of the roof of the mouth

Parietal bone

Top of skull

Posterior fontanelle

Back soft spot of the infant skull

Ramus of mandible

vertical part of mandible

Sagittal suture

Suture on the midline of skull between two parietal bones

Sella turcica of sphenoid bone

Groves in the middle of the sphenoid bone

Sphenoid bone

Bone in middle of skull above occipital when looking at cross section

Squamous suture

suture between parietal and temporal bones

Temporal bone

bone on either side of skull around where the ear would sit

Vomer

Nasal septum

Zygomatic arch

Bridge between zygomatic bone and temporal bone

Zygomatic bone

Cheek bone

Zygomatic process of temporal

bone

Portion of the temporal bone that connects to the zygomatic bone, part of the zygomatic arch

Atlas

First cervical vertebra

Axis

Second cervical vertebra

Body of vertebrae

Large circular portion of the vertebrae

Coccyx

Four fused vertebra at base of sacrum, very bottom of spine

Dens of axis

Large superior projection of the axis that inserts into the atlas vertebra

Sacrum

Five fused vertebra below the lumbar vertebra

Inferior articular facet

Notch at bottom of vertebra where it interacts with the superior facet of the vertebra below it

Inferior articular process

Jut out that ends in the inferior articular facet

Intervertebral discs

Fibrocartilage that sits in between the vertebrae

Lamina

arch between the spinous process and transverse process

Pedicle

Bridge between body and processes of vertebrae

Spinous process

Juts out from back of vertebrae, form notches of spine that can be felt in the back

Superior articular facet

Smooth structure at the end of the process at the top of vertebra that works with the inferior articular facet of the vertebra above it

Superior articular process

Jut out at top of vertebra

Transverse costal facet of

thoracic vertebrae

groove at end of transverse process of thoracic vertebra that houses the head of the ribs

Transverse foramen

Two holes on either side of cervical vertebrae

Transverse process

Side projections of vertebra

Vertebral foramen

Large central hole in the vertebra that allow spinal cord to pass

Intervertebral foramen

Opening between two connecting vertebrae

Body of sternum

Middle portion of sternum

Costal cartilages

Hyaline Cartilage connecting ribs to the sternum

False ribs

Ribs 8-10 that connect to the sternum indirectly

Floating ribs

Ribs 11 and 12 that do not connect to the sternum

Head of rib

Portion of rib that rests in the thoracic vertebrae

Hyoid bone

Free floating bone of the neck, commonly broken in strangulation cases

Jugular notch (median suprasternal notch) of manubrium

Curve at top of the manubrium

Manubrium of sternum

Top portion of sternum

Neck of rib

Portion of rib before the turn, after the head

Shaft of rib

Long body of rib after the curve

True ribs

First seven rib pairs that attach directly to the sternum

Xiphoid process of sternum

Very bottom of the sternum

Cervical vertebrae

First seven spinal vertebrae, have the smallest hole and two holes on either side, looks like :D

Thoracic Vertebrae

12 vertebrae after the cervical vertebrae, have a heart shaped body and are smaller than lumbar vertebrae, have grooves in sides where the ribs sit and oval/circular foramen

Lumbar vertebrae

Last 5 unfused vertebrae, have large oval bodies and triangular foramen