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The thoracic spinal nerve 4 (T4) passes inferior it. A thoracic spine X-ray of a 57-year-old male. Surface orientation of T3 and T7, at middle of spine of scapula and at inferior angle of the scapula, respectively.
The thoracic spinal nerve 3 (T3) is a spinal nerve of the thoracic segment. [1] It originates from the spinal column from below the thoracic vertebra 3 (T3). References
The root of the spine of the scapula is the most medial part of the scapular spine. It is termed "triangular area of the spine of scapula", based on its triangular shape giving it distinguishable visible shape on x-ray images. [1] The root of the spine is on a level with the tip of the spinous process of the third thoracic vertebra. [2]
The pituitary gland secretes thyrotropin (TSH; Thyroid Stimulating Hormone) that stimulates the thyroid to secrete thyroxine (T4) and, to a lesser degree, triiodothyronine (T3). The major portion of T3, however, is produced in peripheral organs, e.g. liver, adipose tissue, glia and skeletal muscle by deiodination from
A spinal nerve is a mixed nerve, ... At T2 and T3, further branches form the intercostobrachial nerve. The subcostal nerve comes from nerve T12, ...
The sympathetic trunk is a fundamental part of the sympathetic nervous system, and part of the autonomic nervous system.It allows nerve fibres to travel to spinal nerves that are superior and inferior to the one in which they originated.
It marks the approximate [6] level of the 2nd pair of costal cartilages, [6] [2]: 319 (sources differ) the level of the intervertebral disc between thoracic vertebra T4-T5 [6] [2]: 319 or the lower border of the thoracic vertebra T4, [7]: 218 and the space between the spinous processes of thoracic vertebrae T3-T4.
Vertebral hemangiomas or haemangiomas (VHs) are a common vascular lesion found within the vertebral body of the thoracic and lumbar spine.These are predominantly benign lesions that are often found incidentally during radiology studies for other indications and can involve one or multiple vertebrae.