Mindblown: a blog about philosophy.

Pertaining to both the sacrum and coccyx (the tailbone). Teratomas are often in the sacrococcygeal region in children.

Referring to the sacrum. For example, sacral agenesis is absence of all or part of the sacrum.

(1871-1953) American anatomist and medical researcher. Her excellent and innovative work on the origins of the lymphatic system, blood cells, and immune system cells, and on the pathology of tuberculosis was well-recognized during her lifetime. She was also a trailblazer for women in science. She was the first woman to hold a full professorship at Johns Hopkins School of Medicine, the…

1.Serum amyloid A (an acute-phase protein which increases early in the course of inflammation). 2. Spondylitis Association of America (for improving the lives of people with ankylosing spondylitis and related conditions and curing these diseases).

The SA node (SA stands for sinoatrial) is one of the major elements in the cardiac conduction system, the system that controls the heart rate. This stunningly designed system generates electrical impulses and conducts them throughout the muscle of the heart, stimulating the heart to contract and pump blood. The SA node is the heart’s natural pacemaker. The SA node…

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.