Thoracic vertebrae
The 12 thoracic vertebrae are situated between the cervical (neck) vertebrae and the lumbar vertebrae. The thoracic vertebrae are represented by the symbols T1 through T12.
The thoracic vertebrae provide attachment for the ribs and make up part of the back of the thorax (the chest).
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- Thoracolumbosacral orthosis (TLSO)
One of the two main types of braces used to correct the lateral (sideways) curve of the spine in scoliosis. Patients can wear this brace to correct spinal curves whose apex is at or below the eighth thoracic vertebra. The TLSO is an underarm brace, which means that it fits under the arm and around […]
- Thoracotomy
An operation to open the chest, usually in order to gain access to the lungs or heart.
- Thorax
The area of the body that is located between the abdomen and the neck. Within the thorax are the lungs, the heart, and the first section of the aorta. Also known as chest.
- Thorn, George W.
American endocrinologist (1906-2004) who was a pioneer in the use of cortisone for treating Addison’s disease; a member of the medical team responsible for the first successful kidney transplant; and editor-in-chief of Harrison’s Principles of Internal Medicine, a key medical textbook. Dr. Thorn served for three decades as Chief of Medicine at the Peter Bent […]
- Thrive, failure to (FTT)
Refers to a child whose physical growth is significantly less than that of peers. There is no official consensus on what constitutes FTT. It usually refers to a child whose growth is below the 3rd or 5th percentiles for their age or whose growth has fallen off precipitously and crossed two major growth percentiles (for […]