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Vertebral Foramen

By | 2018-03-12T11:07:56+00:00 March 12th, 2018|Anatomy, Area, Back|

The anterior section known as the body and the posterior section known as the vertebral arch create an opening or foramen known as vertebral foramen which is found within a normal vertebra. The spinal cord and its meninges are contained within the vertebral foramen. Together, the vertebral canal is created by the vertebral foramina of [...]

Dens (Odontoid Process)

By | 2018-03-08T05:43:16+00:00 February 27th, 2018|Anatomy, Area, Back|

The dens is a protuberance (process or projection) of the C2 vertebra or axis which is also called the odontoid process. It is the most prominent feature of the c2 vertebra. It has a small contraction where it connects with the main body of the vertebra. It is originally made up of an upward extension of the cartilaginous mass, [...]

Atlas C1

By | 2018-02-22T08:57:00+00:00 February 22nd, 2018|Anatomy, Back, Bones and Cartilages|

The atlas a.k.a. C1 is the first vertebra of the spinal column. It connects with the occipital bone, which, is a flat bone located at the posterior part of the head. Atlas C1 Structure The atlas is made up of: Anterior arch Posterior arch Paired lateral masses Paired transverse processes It [...]

Interspinous Ligaments

By | 2018-02-20T08:44:57+00:00 February 20th, 2018|Anatomy, Back, Joints and Ligaments|

The interspinous ligaments receive an innervation from the medial branches of the lumbar dorsal rami. The interspinous ligament is a striking source of low back pain. It has a fan like shape with the narrow point of the fan blending with ligamentum flavum. Interspinous Ligaments Structure The interspinous ligaments attach adjacent spinous processes [...]

Vertebral Artery

By | 2018-02-22T09:31:10+00:00 February 14th, 2018|Anatomy, Arteries, Back|

The vertebral artery is among the main arteries which supplies the brain. It's the first and largest branch of the very first part of the subclavian artery. Origin, Course and Conclusion The vertebral artery originates from the upper aspect of the initial part of the subclavian artery, runs vertically upwards to goes into the foramen [...]

Zygapophyseal Joints (Facet Joints)

By | 2018-02-14T09:42:51+00:00 February 9th, 2018|Anatomy, Back, Joints and Ligaments|

Zygapophyseal Joints are joints that are located in the middle of the superior and inferior articular processes of adjacent vertebrae. Structural resistance to anterior shear forces in the lumbar segments is given by the shape of the zygapophyseal joints, the zygapophyseal joint capsules, the fibers of the anulus fibrosus and the iliolumbar ligaments in the [...]

Erector Spinae Muscles

By | 2018-02-14T09:46:37+00:00 February 5th, 2018|Anatomy, Back, Muscles|

Among intrinsic back muscles the erector spinae remains the largest group. The muscles are located medially amid the spinous processes, posterolaterally towards the vertebral column as well as laterally towards the angles of the ribs. Inside the thoracic and lumbar regions thoracolumbar fascia as well as the serratus posterior inferior, the rhomboid and splenius muscles [...]

Spinous process

By | 2018-02-01T06:38:45+00:00 January 24th, 2018|Anatomy, Back, Bones and Cartilages|

Spinous process is a bony protrusion at the posterior of each vertebra. The spinous process protrudes at the point where the laminae of the vertebral arch combines and gives the point of connection for muscles as well as ligaments of the spine. Spinous Process Spinous processes are the rims that along the back [...]

Vertebral Canal/Spinal Canal

By | 2018-02-01T06:39:52+00:00 January 24th, 2018|Anatomy, Area, Back|

Within the vertebral column, there is an extended cavity called the vertebral canal. When the vertebrae are set together within the vertebral column, the entire series of vertebral foramina stacked one over another is called Vertebral canal or Spinal canal. This canal houses the Spinal cord along with meninges and epidural space. Vertebral Canal [...]

Dural Sac/ Thecal Sac

By | 2018-02-01T06:55:49+00:00 January 17th, 2018|Anatomy, Area, Areas, Back, Pelvis|

The Dural SAC is the protective membrane of the spinal canal that encloses it and is located all-over spinal cord. The cerebral spinal fluid is also enclosed inside it, which is vital and helps in maintaining a fully functioning spine. It contains the spinal cord and within the lumbar spine, the cauda equina and shields [...]