1/12/2024 0 Comments Anterior vertebral arch![]() Most thoracic vertebrae have 2 costal facets on each side (one superiorĪnd one inferior) the superior costal facet of one vertebra and the inferiorĬostal facet of the adjacent vertebra both articulate with the head of theĬostal articular facet on the transverse processĪ small smooth area on the transverse process of the thoracic vertebra Small smooth areas at the junction of the body and the vertebral arch Thoracic vertebrae have the features of a typical vertebra plus they areĬharacterized by long slender spines that project inferiorly they have facetsįor articulation with ribs thoracic vertebrae have bodies of intermediate The 12 vertebrae associated with the thoracic region It has a long, non-bifid spinous process which is prominent at the nape The odontoid process (dens) projects superiorly from its body it articulates It is called atlas in comparison the mythological Greek Titan Atlas, whoīore the weight of the world on his shoulders it has no vertebral body, onlyĪnterior & posterior arches it articulates with the odontoid process of the Spinous processes cervical vertebrae have relatively small bodies severalĬervical vertebra are named: atlas, axis, vertebra prominens Transverse foramina (for passage of the vertebral artery) C2-C6 have bifid Spinous processes of cervical vertebra 2-6 are bifidĬervical vertebrae have the features of the typical vertebra plus all have It projects downward and inferiorly it is an important site of muscle attachment It contains the spinal cord, meninges, epidural fat and the internal vertebralĪ posterior midline process arising from the junction of the two laminae ![]() The opening formed by the combination of the body and the vertebral arch Intervertebral notch of the adjacent vertebra forms the intervertebral foramenĪn opening between the pedicles of adjacent vertebraeĪdjacent intervertebral notches form the intervertebral foramen an opening The superior intervertebral notch of one vertebra combined with the inferior Processes of one vertebra articulate with the inferior processes of the adjacentĪ notch on the superior and inferior surface of the vertebral pedicle Two pair on each vertebra (superior and inferior) the superior articular Processed that project inferiorly and superiorly from the junction of the Paired it is flattened markedly in the anteroposterior direction ligamentaįlava span the interval between the laminae of adjacent vertebrae Paired it connects the body with the transverse process it is marked byĪ lateral process the extends from the junction of the pedicle and the laminaĪ site for muscle attachment and rib articulationĪ broad flat plats of bone located between the transverse process and the Short strong process that extends posteriorly from the posterolateral surface The transverse processes and spinous process are attached to the neuralĪrch the neural arch protects the spinal cord The ring of bone formed by the paired pedicles and paired laminae of the It is shaped like a short cylinder adjacent vertebral bodies articulate Transverse processes, laminae, articular processes, spinous process The sacrum, 4 coccygeal features of a typical vertebra include: body, pedicles, One of a series of irregular bones that form the spineĪ vertebra has two parts: the vertebral body and the vertebral arch thereĪre 33 vertebrae total: 7 cervical, 12 thoracic, 5 lumbar, 5 fused to form It is an attachment site the for the trapezius and splenius mm.Ī low, wide projection from the inferior surface of the lateral part of ![]() It is an attachment site for deep neck muscles Part of the occipital bone inferior to the superior nuchal line It is an attachment site for the ligamentum nuchae the superior nuchal lines of the two sides meet in the midline at the external occipital protuberance also known as: inionĪ low ridge that runs transversely on the external surface of the squamous Suture, anteroinferiorly with the temporal bone and anteriorly with the bodyĪ low process on the external surface of the occipital bone in the midline It articulates superolaterally with the parietal bones through the lambdoid The bone forming the posterior surface of the skull ![]()
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