Category: U

Not joined or associated with complement and thus inactive.  

A rare disorder, typically identified in childhood, in which hair grows in unruly bundles, sometimes called a “spun glass arrangement.” The hair is dry, shiny, or blond, and easily broken. Cross-sectioning often reveals a triangular or grooved shaft. The condition is often associated with other birth defects.  

The release of viral nucleic acids from the capsid that covers them. Uncoating of viruses can be complete or incomplete and can occur before a virus enters the cell or after it penetrates a cell membrane.  

Pressure applied with the use of a blunt hook to arrest bleeding.  

A seizure marked by olfactory and gustatory hallucinations, usually disagreeable; a sense of unreality; and sometimes convulsions and temporary loss of senses of taste and smell. This is associated with lesions of the uncinate gyrus of the temporal lobe of the brain.  

Fibers that arise in the fastigial superior cerebellar peduncle and pass interiorly to the vestibular nuclei and reticular formation by which impulses are carried to muscles, especially those of the neck and body.  

The condition of being infested with hookworms (i.e., worms of the genus Uncinaria). An illness resulting from an infection by a parasitic roundworm from the Uncinaria genus, also known as hookworm disease.  

A medicinal plant, known popularly as cat’s claw or una de gato. Its extracts include alkaloids that are used as an anti-inflammatory for arthritis and also have effects on thinking, concentration, and sedation. It has also been promoted as a treatment for AIDS, without scientific validation.  

The edge of the radiographic image proper. The inherent quality that manifests on a radiograph, distinct from its penumbra, is the geometrical acuity of the depicted objects.  

The central depressed portion of the concavity on the lateral surface of the tympanic membrane. It marks the point where the malleus is attached to the inner surface.