Category: S
-
Sympathetic ganglion
A collection of nerve cells that are attached to efferent fibers that originate from visceral motor neurons in the thoracic and upper lumbar spine. One of the ganglia of the thoracolumbar (sympathetic) division of the autonomic nervous system. It includes vertebral or lateral ganglia (those forming the sympathetic trunk) and prevertebral or collateral ganglia, more…
-
Suprapubic prostatectomy
Excision of the prostate gland by a superior approach above the symphysis pubis to avoid nerves to the penis.
-
Suprapubic catheter
Insertion of a catheter into the bladder above the symphysis pubis bone using a surgical incision. A tube that permits direct urinary drainage from the bladder through the lower abdominal wall, from a surgically fashioned opening located just above the pubic symphysis. Suprapubic urinary diversion is typically (but not exclusively) used as a temporary means…
-
Supra spinatus muscle
Muscle that abducts the shoulder.
-
Supinator muscle
Muscle that turns the forearm in a palm down position.
-
Superior rectus muscle
Muscle that turns the eye upward.
-
Superior oblique muscle
Muscle that turns the eye upward and toward the midline of the visual field.
-
Superior hepatic vein
Major blood vessel that moves blood away from the liver and intestinal tract.
-
Suggillation
Bleeding under the skin; bruising.
-
Suffocative goiter
Enlargement of the thyroid gland that presses on the upper airway, producing respiratory stridor. A goiter that causes shortness of breath owing to pressure.