Assay, NSE: Neuron-specific enolase (NSE) is a substance that has been detected in patients with certain tumors, namely: neuroblastoma, small cell lung cancer, medullary thyroid cancer, carcinoid tumors, endocrine tumors of the pancreas, and melanoma.
Studies of NSE as a tumor marker have concentrated primarily on patients with neuroblastoma and small cell lung cancer. Measurement of NSE levels in patients with these two diseases can provide information about the extent of the disease and the patient’s prognosis (outlook), as well as about the patient’s response to treatment.
- Assembly and budding
Assembly and budding: A portion of the processes by which new HIV is formed in infected host cells. Viral core proteins, enzymes, and RNA gather (assemble) just inside the cell’s membrane, while the viral envelope proteins aggregate within the membrane. An immature viral particle is formed and then pinches off (buds) from the cell, acquiring […]
- Assembly, DNA
Assembly, DNA: The process of putting fragments of DNA that have been sequenced into their correct chromosomal positions. The pieces of DNA are assembled to reconstitute the sequence of the chromosome from which they came.
- Assignment of benefits
Assignment of benefits: An arrangement by which a patient requests that their health benefit payments be made directly to a designated person or facility, such as a physician or hospital.
- Assistant, physician (PA)
Assistant, physician (PA): A physician assistant (PA) is a mid-level medical practitioner who works under the supervision of a licensed doctor (an MD) or osteopathic physician (a DO). The physician assistant came about in the 1960s as a response to the need for more clinicians (there was a shortage of family physicians) and better access […]
- Assisted living
Assisted living: A type of long-term care facility for elderly or disabled people who are able to get around on their own but who may need help with some activities of daily living or simply prefer the convenience of having their meals in a central cafeteria and having nursing staff on call.