Technology, recombinant DNA
A series of procedures that are used to join together (recombine) DNA segments. A recombinant DNA molecule is constructed from segments of two or more different DNA molecules. Under certain conditions, a recombinant DNA molecule can enter a cell and replicate there, either on its own or after it has been integrated into a chromosome.
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- TEE
Transesophageal echocardiography. A diagnostic test which employs ultrasound waves to make images of the heart chambers, valves and surrounding structures and which is done through the esophagus. TEE may be used, for example, in the treatment of children having heart surgery. TEE has unusually accurate imaging capabilities that permit the identification of previously unidentified anatomic […]
- Teething
Teething is the emergence of the primary (baby) teeth through a baby or child’s gums. Teething usually begins between four and seven months of age. While the lower central bottom teeth (central incisors) are normally the first primary teeth to erupt, the teething process can vary among individual babies. Normally, all 20 of the primary […]
- Telangiectasia perstans
A form of mastocytosis that usually affects adults, characterized by the presence of multiple hyperpigmented macules with telangiectases (visibly dilated small blood vessels), located primarily on the trunk, but also on the extremities.
- Telangiectasia, hereditary hemorrhagic
A genetic disease characterized by the presence of multiple direct connections between arteries and veins called arteriovenous malformations (AVMs). Small AVMs, or telangiectases, close to the surface of skin and mucous membranes often rupture and bleed after slight trauma. Abbreviated HHT. The most common manifestations of HHT are recurrent nosebleeds beginning at about 12 years […]
- Telemedicine
The use of medical information exchanged from one site to another via electronic communications for the health and education of the patient or healthcare provider and for the purpose of improving patient care. Telemedicine includes consultative, diagnostic, and treatment services.