Category: S

A person who communicates using sign language.  

The part of a prescription giving instructions to the patient. The portion of a doctor’s prescription, typically located on the medication container label, that provides instructions to the patient on how to administer the medicine.  

A laboratory comparison of the optical density of a specimen taken from a patient to the optical density of the laboratory’s positive control. In tests for antibodies to hepatitis C antibody, e.g., hepatitis C infection is not diagnosed unless a specific S/co is exceeded. Results that fall below the S/co can be found in noninfected…

A dark or blank space in a radiographic image of a fluid-filled structure.  

A term used in writing prescriptions meaning to label the prescription according to the dose, route of administration, and frequency of medication.  

Newborn assessment finding often associated with hydrocephaly; the newborn’s eyes are open with the irises directed downward, resembling the sun setting below the horizon.  

Narrowing of the column of subglottic air in the trachea, seen on anteroposterior radiographs of the neck in children with croup.  

An outline of the thymus of a child by radiolucent lines. It is seen on chest x-ray examinations of children with pneumomediastinum.  

Concerning a pathological connection between the sigmoid colon and the urinary bladder secondary to malignancy, inflammatory bowel disease, or diverticulitis.  

Surgical creation of a connection between two segments of the sigmoid colon.