Week #7-1 - Vertebral Column

Spinal cord, Weight

The vertebral column protects the ___________ and supports the _______ of the body

33

The vertebral column consists of ___ vertebral

Cervical, Thoracic, Lumbar, Sacral, Coccygeal

The sections of the vertebral column

7,12,5,5,4

Amount of vertebrae per section

__ Cervical

__ Thorasic

__ Lumbar

__ Sacral

__ Coccygeal

Support body weight, Protect spinal cord, Permit movement.

3 Roles of the vertebrae:

Body, Arch, Processes

Each vertebrae consists of a vertebral ____, a vertebral ____, and several _______

Lumbar, Cervical

The _______ are the biggest vertebrae, while the _______ are the smallest vertebrae

Superior, Inferior, Holes

Cervical Vertebrae are distinct with their ________ and _______ Facets, as well as their _____ in the vertebrae

Vertebral Foramina, Transverse process, Arteries

The large hole of the cervical vertebrae is the ___________________, the smaller holes are the _____________, of which _______ pass through

C7

The longest cervical process, easily palatable

Transverse Foramen

The Vertebral Artery provides blood to the brain, passing through the ______________________ of the cervical vertebral

Thoracic Vertebrae

Vertebrae most abundant in the body, articulate with the ribs posteriorly, limited movement

Vertebrae with a Superior and Inferior Facet, Vertebral Foramina, and Transverse Processes

Lumbar Vertebral

Largest Vertebrae that supports the whole upper body

Processes, Synovial Plane, Gliding

Facet Joints of the vertebral arches are located between __________ of adjacent vertebrae. Due to them being _____________ joints, they permit ______ motion between vertebrae

Interspinous Ligament, Supraspinous Ligament, Ligamentum Flavum Ligament

Ligaments of the Facet Joints

Interspinous Ligaments are found ____________ processes

Supraspinous Ligaments connect __________ processes

Vertebral Foramen

Ligamentum Flavum is found within the ______________

Nuchal Ligament

Massive ligament helping to support the head without using muscles. Found on back of neck

Head, Back of Neck

The Nuchal Ligament helps to support the _______ and is found on the __________________

Intervertebral Joints

Joints between adjacent vertebral bodies, first example of symphyses

Solid Symphysis Joint

Type of solid joint connected by fibrocartilage

Symphyses, Fibrocartilage, Intervertebral Disc

Intervertebral Joints are found between vertebral bodies, they are ______________ Joints connected via ____________ in the form of an ___________________

Annulus Fibrosis, Nucleus Pulposus

Two components of the Intervertebral Disc

Nucleus Pulposus

Interior portion of an Intervertebral Disc, Composed of a gelatinous, mucus like substance

Intervertebral Disc, Gelatinous

The Nucleus Pulposus is found within a/an __________________, it is a _____________ substance

Annulus Fibrosis

The external portion of an Intervertebral Disc, Consists of concentric circular lamellae of fibrocartilage.

fibrocartilage, different directions, strong

The Annulus Fibrosis are circular lamellae of ___________ that runs in __________________________, because of this it is extremely _________

Jelly Donut

A good analogy for how Intervertebral Discs work is a _________

opposite

The Nucleus Pulposus moves to the __________ side of movement

Longitudinal, Anterior, Posterior

______________ ligaments run through the entire 33 columns of vertebrae. Separated into ___________ and _________

Disc Herniation

the technical term for a “slipped disc”

Craniovertebral Joints

Very stable joints keeping the vertebrae attached to the head.

Atlas, Axis

Special names given to C1: _________ and C2: ___________

Atlantoaxial Joints

Name for joint in the middle of the C1 and C2

Adjacent vertebral bodies, Intervertebral Disc

Articulations of Intervertebral Joints

Lateral, C1, Superior Facet, C2, Median, Dens, C1

Articulations of Craniovertebral Joints:

• 2 __________ atlantoaxial joints between lateral masses of ____ and ____________ of ____

• 1 __________ atlantoaxial joint between ___ and ___

Dens

Special name given to small projection of bone from C2, the pivot point for the head.

C1, C2

Motion is rotation of ____ and head occurs on ___

Alar

______ Ligaments limit rotation of the head

Transverse

______________ ligaments keep the dens in place

Articulated, Spinal Cord

Alar and Transverse ligaments keep C1 and C2 __________ as separation would cause major damage to the __________

Atlantooccipital joints

Small joints supported by muscles and ligaments, found between atlas and occipital condyles of skull

synovial condyloid, atlas, occipital condyles of skull, flexion

Atlanto-occipital joints are ___________ joints between the _______ and _______________ of skull, their main motion is ________