Category: I

The restoration of normal or improved immune function in a person with congenital or acquired immunodeficiency syndrome. Bone marrow transplantation or drug therapies may be used, depending on the underlying cause of the immune failure.  

An autosomal recessive condition characterized by severely impaired movement of the cilia or flagella of respiratory tract epithelial cells, sperm cells, and others. Affected cells lack the protein dynein, which is essential for effective ciliary motion.  

The ability of some cells, particularly cancer cells, to reproduce indefinitely. Normal human cells have a finite life expectancy. They may divide for a few dozen generations, but eventually stop reproducing and die.  

A type of audiometry that combines acoustic reflex testing, a reflex decay test, and  tympanometry.  

Direct; without intervening steps.  

A compound with the bivalent atom group ( — NH).  

A rare, autosomal recessive form of vitamin B12 deficiency, also known juvenile-type pernicious anemia.  

In histology, to surround with a firm substance, such as paraffin, preparatory to cutting sections.  

Any device used in radiology to detect the energy released by the imaging instrument after it passes through the imaged body part.  

A photostimulable image detector used in computed tomography in place of x-ray cassettes. It gathers the energy from x-ray photons on a layer of phosphor that can repeatedly store and release information in digitized form for enhancement, recording, and image display.