How to retroflex in cecum?

Score: 4.2/5 (28 votes) Cecal retroflexion is a maneuver during scope withdrawal by making a U-turn with the bending section of the colonoscope in the ce...

What is pearl shell called?

Score: 4.6/5 (8 votes) Nacre (/ˈneɪkər/ NAY-kər also /ˈnækrə/ NAK-rə), also known as mother of pearl, is an organic–inorganic composite material produced...