Diprosopus: Two-faced conjoined twins (incompletely separated identical twins). The twins have almost complete fusion of their bodies with one set of limbs. Part or all of the face is duplicated. The condition usually results in stillbirth.
The ancient two-faced Mexican figurines known as the “pretty ladies of Tlatilco” are now thought to represent diprosopus. It is believed these early Mesoamerican figurines may, in fact, be “the oldest scientifically medical images in world history.” Sculpted over a period of 500 years beginning in 1200 BC, these little statues show diprosopus with two faces side by side. This degree of accuracy in documenting the anatomical and pathological features of a human head does not appear for another two millennia until the 16th-century studies of Hans Baldung Grien and Andreas Vesalius who did anatomical drawings based on dissected cadavers.
The term “diprosopus” comes from the Greek “di-,” two + “prosopon,” face = two-faced.
Dipsophobia: An abnormal and persistent fear of drinking alcohol. Sufferers of dipsophobia experience undue anxiety about addiction to alcohol and the effect this addiction can have on their body. (However, their abstinence from alcohol certainly should not be criticized.) “Dipsophobia” is derived from the Greek “dipsa” (thirst) and “phobos” (fear). “Dipsa” is also used to […]
Dipsosis: Excessive thirst; overwhelming desire for water or another liquid. Dipsosis may occur when the amount of water in the body falls below normal. Any activity that causes perspiration can deplete the body’s water supply and trigger dipsosis. So can fever, anxiety, sunburn and heat exhaustion. Other causes of water loss and dipsosis include the […]
- Direct-entry midwife
Direct-entry midwife: A midwife who has entered the profession of midwifery as an apprentice to a practicing midwife rather than attending a formal school program.
- Directed DNA sequencing
Directed DNA sequencing: Successively sequencing DNA from adjacent stretches of a chromosome.
DHA: 1. Docosahexaenoic acid, an essential fatty acid, thought to be important to the development of infants, particularly as regards their eyes and brain. DHA is present in breast milk and has been added to some infant formulas. Postnatal DHA may improve vision and some cognitive functions in infants and toddlers. DHA is an omega-3, […]