Category: O

Cosmetic surgery to reduce forehead wrinkling or furrowing and sagging of the eyebrows.  

The meeting point of the facial median line with a transverse line across the forehead’s narrowest portion.  

Poisoning from snake bite.  

Baldness occurring in winding streaks across the head.  

The molecular analysis of tissues and cells based on a knowledge of their genes, gene transcription, and protein expression.  

Inflammation of the gingiva over a partially erupted tooth.  

The ability to understand spoken language without using visible cues.  

In psychology and related disciplines: attentiveness, interest in new experiences, inquisitiveness, or receptivity to change. Also known as openness to experience; one of the Big Five traits associated with being creative, imaginative, and enjoying variety.  

A clinical trial without a control group, in which both patients and researchers know the identity of the treatment and its dosage.  

An abnormal early diastolic extra heart sound usually associated with stenosis of one of the atrioventricular valves. Most commonly, the sound reflects mitral valve stenosis. The brief, high-pitched snapping sound is unaffected by respiration and is heard best between the apex and the lower left sternal border.