Glossary

Category: D

  • Dyskariosis

    The fact of becoming mature in an unusual way.  

  • Dysgerminoma

    A malignant tumour of the ovary or testicle. Malignant tumor of the ovary, thought to arise from primitive germ cells; it homologous to the ‘seminoma of the testing about 15% of such tumors affect bet ovaries; outside the ovary they have bee recorded in the anterior mediastinum an  near the pineal gland. Dysgerminomas ma occur…

  • Dysfunctional uterine bleeding

    Bleeding in the uterus not caused by a menstrual period. Bleeding from the womb at times other than menstruation that may be caused by a hormonal or other abnormality or illness. A diagnosis of exclusion in which there is abnormal bleeding from the uterus not caused by tumor, inflammation, or pregnancy. These causes of bleeding…

  • Dysenteric

    Referring to dysentery.  

  • Dysdiadochokinesia

    The inability to carry out rapid movements, caused by a disorder or lesion of the cerebellum. Loss of the ability to perform rapid alternate movements, such as winding up a watch. It is a sign of a lesion in the cerebellum. An impairment in making smooth and rapid, alternating movements (e.g., turning the palms of…

  • Dyscoria

    An unusually shaped pupil of the eye. An unusual reaction of the pupil.  

  • Dyschromatopsia

    A condition where someone cannot distinguish colours.  

  • Dyschondroplasia

    Dyschondroplasia

    A condition in which the long bones are shorter than usual. A condition due to faulty ossification of cartilage, resulting in development of many benign cartilaginous tumors. The bones involved may become stunted and deformed. This condition, known as Ollier’s disease or multiple enchondromatosis, is an uncommon disorder present from birth. It is characterized by…

  • Dysaesthesia

    The impairment of a sense, in particular the sense of touch. An unpleasant feeling of pain experienced when the skin is touched lightly.  

  • Dynamometer

    An instrument for measuring the force of muscular contraction. A device for recording the force of a muscular contraction. A small hand-held dynamometer may be used to record the strength of a patient’s grip. A special optical dynamometer measures the action of the muscles controlling the shape of the lens of the eye. An elliptical…