S1-S5 (sacral vertebrae)
The first sacral vertebra through the fifth sacral vertebra.
There are 5 sacral vertebral bones. They are represented by the symbols S1 through S5.
The sacral vertebrae are situated in the spinal column just below the lumbar vertebrae and right above the coccyx, which is the lowest segment of the vertebral column. The sacral vertebrae are normally found fused together to form the sacrum.
Read Also:
- Sciatica
Pain that results from irritation of the sciatic nerve and typically radiates from the buttock to the back of the thigh. Although sciatica can result from a herniated disc pressing directly on the nerve, any cause of irritation or inflammation of this nerve can reproduce the painful symptoms of sciatica. Diagnosis is made via observation […]
- SCID
Severe combined immunodeficiency disease.
- Science (journal)
A weekly journal concerning science. Science was founded in 1880 by one of the world’s most famous scientists, Thomas Alva Edison, inventor of the light bulb. Science is the world’s general scientific publication with the largest circulation. For the sake of comparison, Science’s only competitor, the prestigious English journal Nature, has one third the number […]
- Science, cognitive
The study of the mind. Cognitive science is an interdisciplinary science that draws on many fields, including neuroscience, psychology, philosophy, computer science, artificial intelligence, and linguistics. The purpose of cognitive science is to develop models that help explain human perception, thinking, and learning with the premise that the mind is an information processor. This processor […]
- Scintigraphy
into the bile ducts, the gallbladder, and the intestine. By placing over the abdomen a camera that senses radioactivity, a picture of the liver, bile ducts, and gallbladder can be obtained that corresponds to the location of the radioactivity.