Also known as giant cell pneumonia, this is a deadly but fortunately rare complication of measles. It tends to strike children who are immunodeficient as from leukemia or HIV/AIDS. The postmortem examination (autopsy) shows multinucleated giant cells lining the alveoli (air sacs) of the lungs. Named for the early 20th-century Austrian pathologist Victor Hecht.
An abnormal, excessive, and persistent fear of pleasure. Sufferers with this most puritanical of phobias typically feel guilty about experiencing pleasure even though they usually realize rationally there is nothing at all wrong with taking pleasure. Their guilt usually arises from the fact that they are participating a pleasurable activity while others around them or […]
Extreme nervousness. A term coined by the America cartoonist Billy DeBeck (1890-1942) in his comic strip Barney Google.
- Heel bone
Formally called the calcaneus. A more or less rectangular bone at the back of the foot. The words “calcaneus” and “calcium” come from the same source. The calcaneus (from the Latin calcaneum, meaning heel or heel bone) is a bone of the tarsus of the foot which constitutes the heel. In humans, the calcaneus is […]
- Heel prick
A simple procedure in which a newborn baby’s heel is pricked and then a small amount of the blood is collected, usually with a narrow-gauge (“capillary”) glass tube or a filter paper. The heel stick is now the most common way to draw newborn’s blood. It is used to do the newborn screening tests and […]
- Heel spur
A bony spur projecting from the back or underside of the heel that often makes walking painful. Spurs at the back of the heel are associated with inflammation of the Achilles tendon (Achilles tendinitis) and cause tenderness and pain at the back of the heel that is made worse by pushing off the ball of […]