Acromion: The projection of the scapula (the shoulder blade) that forms the point of the shoulder.
The acromion is part of the scapula. It protrudes laterally (away from the midline) and is triangular in shape.
The top of the shoulder is acromial. The word “acromion” comes from the Greek “akron”, peak + “omos”, shoulder = the peak of the shoulder.
Acrophobia: An abnormally excessive and persistent fear of heights. Sufferers experience severe anxiety even though they usually realize that, as a rule, heights pose no real threat to them. Derived from the Greek “acron”, height + “phobos”, fear.
Acrylamide: A chemical created in foods when starches and other carbohydrates are overheated (over 120°C or 250°F) during cooking. There is concern that acrylamide may be a carcinogen (cause cancer). Acrylamide is used in papermaking, ore processing, permanent-press fabrics, and dye manufacture. Acrylamide is also polymerized to form polyacrylamides which are used as water-soluble stabilizers, […]
- ACS (American Cancer Society)
ACS (American Cancer Society): A “nationwide community-based voluntary health organization dedicated to eliminating cancer as a major health problem by preventing cancer, saving lives and diminishing suffering from cancer through research, education, advocacy, and service.” The American Cancer Society is one of the oldest and largest voluntary health agencies in the United States. It is […]
- ACS (American College of Surgeons)
ACS (American College of Surgeons): The American College of Surgeons was formed in 1913 under the aegis of Dr. John Miller Turpin Finney “to elevate the standard of surgery, to establish a standard of competency and of character for practitioners of surgery, and to educate the public and the profession to understand that the practice […]
Actinic: Referring to the ultraviolet (UV) rays from sunlight and UV lamps. Sunburn is an actinic burn. An actinic keratosis is a skin lesion that is the consequence of chronic sun exposure.