Category: T

  • Thenar cleft

    A fascial cleft of the palm overlying the volar surface of the adductor pollicis muscle.  

  • Thelorrhagia

    Bleeding from a nipple. This finding is sometimes caused by an underlying breast cancer. Hemorrhaging from the nipple.  

  • Thelaziasis

    Infestation by worms of the genus Thelazia.  

  • Thelazia

    A genus of nematodes that inhabit the conjunctival sac and lacrimal ducts of various species of vertebrates. Occasionally species of Thelazia are found in humans.  

  • Thecomatosis

    Increased connective tissue in the ovary.  

  • Thecoma

    A spindle-cell tumor of the ovary often occurring during or after menopause. It is usually benign but may present with elevated serum tumor markers, adhesions to neighboring structures, or ascites, all of which may initially suggest prior to its removal that the tumor is malignant.  

  • Thayer-Martin medium

    A special medium used for growing the causative organism of gonorrhea, Neisseria gonorrhoeae. Pain in the anterior knee that is felt after prolonged sitting, a symptom sometimes reported by patients with patellofemoral pain syndrome.  

  • Thanatophoric dysplasia

    A frequently lethal form of osteochondro-dysplasia in which abnormalities of bone and cartilage development are accompanied by underdevelopment of the lungs. It is detectable in utero with prenatal ultrasound.  

  • Thalassemia minor

    A mild disease produced by heterozygosity for either beta or alpha chain. It may be completely asymptomatic. It is usually revealed by chance or as a result of study of the family of an individual having thalassemia major. The prognosis is excellent.  

  • Thalassemia intermedia

    A chronic hemolytic anemia caused by deficient alpha chain synthesis. It is also called hemoglobin H disease.