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Size Of Thoracic Vertebrae. 5 The first thoracic vertebra has a complete facet on the side of the body for the first rib head and an inferior demifacet for the second rib head. The thoracic spine lies between the superior cervical spine and the inferior lumbar spine. Usually there are 7 cervical 12 thoracic 5 lumbar 5 sacral and 4 caudal coccygeal vertebrae. The T1 vertebra is the smallest and closely resembles the cervical vertebrae while the T12 vertebra is the largest and most similar to the lumbar vertebrae.
In humans the length of the vertebral column is 71 cm in males and 61 cm in females. Thoracic vertebrae have articular facets for ribs and all ribs are attached to thoracic vertebrae. Facets are basically flattened. Size of cervical vertebrae in comparison to those of the thoracic and lumbar region Observation. The T1 vertebra is the smallest and closely resembles the cervical vertebrae while the T12 vertebra is. Laminae of Cervical vertebra is long transversely and narrow vertically.
90 are intermediate in size between those of the cervical and lumbar regions.
The T1 vertebra is the smallest and closely resembles the cervical vertebrae while the T12 vertebra is the largest and most similar to the lumbar vertebrae. This diagram shows the curvatures associated with the different regions of the human vertebral column. The thoracic vertebrae increase in size from t1 through t12. This number can increase to 25 in certain sloth species. 5 Zeilen There are 12 thoracic vertebrae denoted as T1-T12 found in adult humans and they are situated. It has 7 cervical vertebrae 12 thoracic vertebrae and 5 lumbar vertebrae.