Question
Explain the cervical vertebrae in detail.
✓
Answer
$i. $Atlas vertebrae:
$1.$ It is the $1^{st}$ cervical vertebra.
$2.$ It is a ring like bone and consists of anterior and posterior arches.
$3.$ It does not have centrum and spinous process.
$4.$The transverse processes and transverse foramina of atlas are large.
$5.$The vertebral foramen is large and divided into two parts by transverse ligament.
$6.$Spinal cord passes through anterior compartment.
$7.$Anterior zygopophyses are replaced by facets for attachment with occipital condyle of skull that forms ‘Yes joint’.
$ii.$ Axis vertebrae:
$1.$It is the $2^{nd}$ cervical vertebrae.
$2.$The centrum of this vertebra gives out tooth$-$like odontoid process.
$3.$ Odontoid process fits into the anterior portion of vertebral foramen of atlas vertebra thereby forming pivot joint, also known as ‘No joint’.
$1.$ It is the $1^{st}$ cervical vertebra.
$2.$ It is a ring like bone and consists of anterior and posterior arches.
$3.$ It does not have centrum and spinous process.
$4.$The transverse processes and transverse foramina of atlas are large.
$5.$The vertebral foramen is large and divided into two parts by transverse ligament.
$6.$Spinal cord passes through anterior compartment.
$7.$Anterior zygopophyses are replaced by facets for attachment with occipital condyle of skull that forms ‘Yes joint’.
$ii.$ Axis vertebrae:
$1.$It is the $2^{nd}$ cervical vertebrae.
$2.$The centrum of this vertebra gives out tooth$-$like odontoid process.
$3.$ Odontoid process fits into the anterior portion of vertebral foramen of atlas vertebra thereby forming pivot joint, also known as ‘No joint’.
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