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Medical Dictionary Terms Beginning with T
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Thalassemia major
Thalassemia major: The dire disease also known as beta thalassemia. The clinical picture of this form of anemia was first described in 1925 by the pediatrician Thomas Benton Cooley. Other names for the disease are Cooley’s anemia and Mediterraneanmore detail info...
Thalassemia minor
Thalassemia minor: Also called thalassemia trait, thalassemia minor is the carrier state for beta thalassemia. People who are carriers (heterozygotes) have just one thalassemia gene, are said to have thalassemia minor, and are essentially normal.more detail info...
Thalassemia, alpha
Thalassemia, alpha: A blood disorder, thalassemia is not one disease but rather a group of disorders that have a single feature in common: they all have a genetic defect in the production of hemoglobin, the protein that enables red blood cells to carry oxmore detail info...
Thalassemia, beta
Thalassemia, beta: Also known as thalassemia major .The clinical picture of this important type of anemia was first described in 1925 by the pediatrician Thomas Benton Cooley.. Other names for the disease are Cooley’s anemia and Mediterranean anemmore detail info...
Therapy, adjuvant
Therapy, adjuvant: Treatment that is given in addition to the primary (initial) treatment. Adjuvant treatment is an addition to the primary treatment and is designed to help reach the ultimate goal. Adjuvant therapy for cancer usually refers tomore detail info...
Therapy, biological
Therapy, biological: Treatment to stimulate or restore the ability of the immune (defense) system to fight infection and disease. Biological therapy is thus any form of treatment that uses the body's natural abilities that constitute the immune system tomore detail info...
Therapy, gene
Therapy, gene: Insertion of normal DNA directly into cells to correct a genetic defect. Gene therapy is the treatment of disease by replacing, altering, or supplementing a gene responsible for the disease. In gene therapy for cancer, for example,more detail info...
Thermally induced asthma
Thermally induced asthma: Asthma triggered by heat changes within the respiratory tree due to vigorous physical activity. Affects children and young adults (because of their high level of physical activity) but can occur at any age. It is initimore detail info...
Third and fourth pharyngeal pouch syndrome
Third and fourth pharyngeal pouch syndrome: Also called the DiGeorge syndrome (DGS), this disorder is characterized by (1) low blood calcium levels (hypocalcemia) due to underdevelopment (hypoplasia) of the parathyroid glands which control calcmore detail info...
Third cranial nerve
Third cranial nerve: The third cranial nerve is the oculomotor nerve. The cranial nerves emerge from or enter the skull (the cranium), as opposed to the spinal nerves which emerge from the vertebral column. There are twelve cranial nerves. The oculomotmore detail info...
Third stage of labor
Third stage of labor: The part of labor from the birth of the baby until the placenta (afterbirth) and fetal membranes are delivered. The third stage of labor is also called the placental stage.more detail info...
Thombi
Thombi: Just the plural of thrombus. See: Thrombus.more detail info...
Thoracentesis
Thoracentesis: Removal of fluid in the pleura through a needle.more detail info...
Thoracic
Thoracic: Pertaining to the chest.more detail info...
Thoracic aneurysm
Thoracic aneurysm: A local widening and bulging of a vessel (an aneurysm) within the thorax (chest). See: Aortic aneurysm. An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an aneurysm, there is tmore detail info...
Thoracic duct
Thoracic duct: A vascular structure which recirculates lymph into the blood stream. It begins in the abdomen and tracks alongside the aorta and esophagus to eventually join with the left brachiocephalic vein.more detail info...
Thoracic outlet syndrome
Thoracic outlet syndrome: Condition due to compromise of blood vessels or nerve fibers between the armpit (axilla) and base of the neck.more detail info...
Thoracotomy
Thoracotomy: An operation to open the chest.more detail info...
Thorax
Thorax: The thorax is the area of the body located between the abdomen and the neck. It is also commonly referred to as the chest. Within the thorax are the lungs, heart and first section of the aorta.more detail info...
Thrive, failure to (FTT)
Thrive, failure to (FTT): Refers to a child whose physical growth is significantly less than that of peers. There is no official consensus on what constitutes FTT. It usually refers to a child whose growth is below the 3rd or 5th percentiles fmore detail info...