Category: E

A radiographic examination of excretory organs.  

State of normal health with balance in all activities or processes. Normal health; the state of the body in which all activities are in normal balance.  

One of the air chambers within the ethmoid bone. The intricate network of interconnected air-filled cavities positioned alongside the nasal passages and in close proximity to the eyes is commonly known as the paired labyrinth. This labyrinth serves as a complex system of channels and chambers, facilitating the flow of air and maintaining a delicate…

Sudden, involuntary, often painful contraction of the muscles of the esophagus. A painful muscular contraction of the esophagus.  

Valve at the end of the esophagus as it joins with the stomach that prevents reflux of gastric contents into the esophagus. A ring-shaped muscular structure that seals the final few centimeters of the esophagus, inhibiting the retrograde movement of gastric contents.  

Involuntary muscular contraction of the mouth when the mucosa of the lips is stimulated; this is noted particularly in newborns. A pursing or muscular contraction of the lips resulting from irritation of the mucosa of the lips.  

Muscular group of the dorsal spine that originates at the sacrum, ilium, and lumbar vertebrae and attaches at the ribs and upper thoracic vertebra; the function is to maintain upright posture and extend the vertebral column. Pathological preoccupation with erotic ideas and behavior; delusional belief that the patient is romantically involved with a celebrity or…

Questionable, doubtful, or vague.  

The amount of a drug required, whether administered orally or parenterally, needed to produce the same analgesic effect when changing from one formulation to another.  

Fold of skin near the nail root. The horny embryonic structure from which the nail develops. Living skin at the base of the natural nail plate that covers the matrix area.