Mindblown: a blog about philosophy.

A pigmented area surrounding the umbilicus.  

The pigmented area surrounding the nipple.  

An alkaloid found in the betel nut that causes cholinergic (parasympathetic) toxicity when the nut is chewed. This chemical also causes periodontal disease and upper gastrointestinal tract cancer.  

The integrated quantity of drug (the serum drug concentration curve) after a single dose.  

A safe haven near or linked to a building’s evacuation route where people escaping an emergency can rest fully protected from hazards such as fire, smoke, or heat.  

An agency that develops, coordinates, and in some cases provides a wide range of community-based services for persons aged 60 or older.  

Opaque ring about the periphery of the cornea similar to arcus senilis but occurring in young individuals; may be due to hypercholesterolemia, corneal irritation or inflammation, or a congenital anomaly.  

The arch formed by the alveolar process of the maxilla.  

The arch formed by the alveolar process of the body of the mandible.