Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «L»:
Labial herpes: A small sore situated on the face or in the mouth that causes pain, burning, or itching before bursting and crusting over. The favorite locations are on the lips (the labia), chin or cheeks and in the nostrils. Less frequented sites are the gums or roof of
the mouth (the palate).
Labial sounds: The lips are not only anatomic
features of note, they are organs of speech essential to
certain articulations. A sound requiring the participation
of one or both lips is a labial (labium in Latin means lip)
sound or, simply, a labial. All labials are consonants.
There are bilabia...
Labile: Unstable, unsteady, not fixed.
In psychology or psychiatry, labile denotes free and uncontrolled moods or behaviors expressing emotions.
In biochemistry, labile means easily removable as, for example, a labile hydrogen molecule.
In the context of diabetes, labile is a term used when a diab...
Labile diabetes: A type of diabetes when a person's blood glucose (sugar) level often swings quickly from high to low and from low to high. Also called "unstable diabetes" or "brittle diabetes."...
Lability: The state or quality of being labile: susceptible to change, error or instability. From the Latin labilis meaning prone to slip, from labi meaning to slip. See also: Labile....
Labiodental sound: A sound that requires the involvement of the teeth and lips, such as "v," which involves the upper teeth and lower lip....
Labium: A lip.
Labium is the singular of the Latin neuter noun meaning lip. The plural is labia.
For more information, see: Labia....
Labor: Childbirth, the aptly-named experience of delivering
the baby and placenta from the uterus to the vagina to the outside
world. There are two stages of labor. During the first stage (called the stage of dilatation), the cervix dilates fully to a diameter of about 10 cm. In the second stage (...
Labor support professional
Labor support professional: See: Doula (the first meaning)....
Labor, false: Intermittent non-productive muscular contractions of the womb (uterus) during pregnancy, most commonly in the last two months before full term. These contractions are non-productive in the sense that they do not produce any flattening (effacement) or dilation (opening up) of the cervix...
Laboratory: A place for doing
tests and research procedures and preparing chemicals, etc.
Although "laboratory" looks very like the Latin
"laboratorium" (a place to labor, a work place), the word
"laboratory" came from the Latin "elaborare" (to work out,
as a problem, and with great pains), as...
Laboratory, Jackson: The premiere place for mouse genetics and the largest mammalian genetic research facility in the world. Many of the types of mice used in medical research originated at the laboratory which is in Bar Harbor on Mount Desert Island, Maine.
The Jackson Laboratory was founded in 192...
Labra: The plural of labrum, a ring of fibrocartilage (fibrous cartilage) around the edge of the articular (joint) surface of a bone.
In Latin, "labrum" means "lip." The term is generally used to designate a lip, edge, or brim....
Labrocyte: A mast cell....
Labrose: Thick-lipped or large-lipped. Having thick or large lips. From the Latin labrosus, from labrum meaning lip....