Nuclear Medicine Dictionary Nuclear Medicine : Nomenclature Guide
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  • Sagittal: Related to the imaginary plane that divides a human into right and left halves.
  • Scrotal: Relating to the scrotum, the sac of tissue that hangs below the penis and contains the testicles.
  • Scrotal sac: Also referred to as the scrotum. The sac of tissue that hangs below the penis and contains the testicles.
  • Scrotum: Also referred to as the scrotal sac. The sac of tissue that hangs below the penis and contains the testicles.
  • Seminal vesicle: Two pouch-like glands behind the bladder. They produce a thick gel, one of the substances from which semen is formed.
  • Sonogram: Also referred to as a ultrasound. A technique that bounces painless sound waves off organs to create an image of their structure to detect abnormalities.
  • Sperm: Also referred to as spermatozoa. Male germ cells (gametes or reproductive cells) that are produced by the testicles and that are capable of fertilizing the female partner's eggs. Cells resemble tadpoles if seen by the naked eye.
  • Spermatic cord: A cord by which a testis is suspended in the scrotum.
  • Spermatocele: Cystic swelling in the scrotum containing sperm.
  • Stage: Classification of the progress of a disease.
  • Stent: With regard to treating ureteral stones, a tube inserted through the urethra and bladder and into the ureter. Stents are used to aid treatment in various ways, such as preventing stone fragments from blocking the flow of urine.
  • Sterile: Incapable of becoming pregnant or inducing pregnancy.
  • Steroid: An organic fat-soluble compound.
  • Stone: Small hard mass of mineral material formed in an organ.
  • Stool: Waste material (feces) discharged from the body.
  • Stricture: Abnormal narrowing of a body passage.
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