Category: S

Acid an amino sugar. Sialic acid is a component of some glycoproteins, gangliosides, and bacterial cell walls.  

A woman who has been pregnant at least six times and who has given birth to an infant capable of survival after each of six pregnancies. A woman who has given birth to six children.  

A woman who has been pregnant six times. A woman expecting her sixth child.  

An outmoded form of treatment in which a thread was passed through a pinch of skin and tied in a loop. This acted as a counterirritant to pain elsewhere and produced a running sore thought to be useful for the drainage of harmful materials from the body. A thread or threads drawn through a fold…

One of a pair of crescent shaped cartilages in the knee joint situated between the femur and tibia. Two crescentic layers of fibro-cartilage on the outer and inner edges of the knee-joint, which form hollows on the upper surface of the tibia in which the condyles at the lower end of the femur rest. The…

A woman who has been pregnant at least twice and who has given birth to an infant capable of survival after each of two pregnancies. A woman who has produced two infants at separate times that have weighed 500 g or more, regardless of their viability. A woman who has experienced two pregnancies that have…

A person in whose saliva and other body fluids are found traces of the water soluble A,B, or O agglutinogens that determine blood group. A person who secretes ABO blood group antigens into mucous secretions such as saliva, gastric juice, or semen. The secretion of such substances is sometimes used for the legal identification of…

The physical characteristics that develop after puberty as a result of sexual maturation. In boys they include the growth of facial and pubic hair and the deepening of the voice. In girls they include the growth of pubic hair and the development of the breasts. The physical characteristics that develop during puberty as the body…

A technique of family psychotherapy, in which ail the family members are seen together and one member is asked to arrange the others’ physical positions to express their relationships and feelings.  

Relating to or describing conditions of poor illumination. For example, scotopic vision is vision in dim light in which the rods of the retina are involved.