Category: J

  • Jin shin do

    A form of healing bodywork developed as a variation on Jin Shin Jyutsu by Ron and Iona Teegarten in California in the 1970s. Jin Shin Jyutsu is a form of acupressure in which various points on the body are massaged in a set sequence. Following their introduction to Jin Shin Jyutsu in the 1960s, the…

  • Jenny Haniver

    A term for an artificial monster made out of the remains of certain fishes, especially skates or rays. The nostrils, mouths, and gills of these fishes in their natural state look rather like an evil, grimacing face. With judicious cutting, partially separating the pectoral fins from the body, they can be made to resemble monsters:…

  • John William Dunne

    Author of An Experiment With Time (1927) who thought dreams foretold future events. Dunne served for a short time in the British army and was an inventor and designer of some of the early airplanes. Beginning in 1898, Dunne became convinced that his dreams sometimes foretold future events as well as including information from the…

  • John Romulus brinkley

    Surgeon known as “GOAT GLAND” Brinkley for his sex rejuvenation remedy. As a young man, Brinkley worked in the slaughterhouse, where he developed the idea that animal’s sex organs could aid impotence. He obtained a doctor’s degree from the Eclectic Medical University and later acquired a diploma in medicine and surgery from the Royal University…

  • Johann Beringer

    A science professor who was the victim of a famous hoax. Beringer believed that the Earth was only a few thousand years old and that the biblical account of the Flood was a real event. In the early 18th century, fossils were considered to be creatures made extinct by the Flood or the castoffs of…

  • Juvenile xanthogranuloma

    A skin disease that may be present at birth or develop in the first months of life. Firm dome-shaped yellow, pink, or orange papules, ranging from a few millimeters to 4 cm in diameter, are usually present on the scalp, face, and upper trunk. Biopsy of these lesions reveals lipid-filled histiocytes, inflammatory cells, and Touton…

  • Junin virus

    An arenavirus that chronically infects rodents. It is the cause of sporadic outbreaks of Argentine hemorrhagic fever, a potentially lethal infection usually found in South America.  

  • Jungle sore

    Infection of the skin or of poorly tended wounds by Corynebacterium diphtheriae, especially in warm, moist, tropical climates.  

  • Jump sign

    During physical examination, an involuntary reaction to stimulation of a tender area or trigger point. This may take the form of wincing or sudden jerking of the part being examined, of adjacent areas, or even of the entire body. This sign should not be confused with the startle reaction seen in Jumping Frenchmen of Maine.…

  • Jersey finger sign

    The inability to flex the distal interphalangeal joint of a finger as the result of a rupture of the flexor digitorum profundus tendon. The patient is unable to make a fist.