Anagrams of: TREPHININGS

• a surgical instrument used to remove sections of bone from the skull

• operate on with a trephine

• the position of a medical intern

• pass from physical life and lose all bodily attributes and functions necessary to sustain life

• an inflammation of the kidney

• inflammation of the brain usually caused by a virus; symptoms include headache and neck pain and drowsiness and nausea and fever (`phrenitis' is no longer in scientific use)

• The practice of humans traveling in a sphere, generally made of transparent plastic, usually for fun.

• soft spongelike central cylinder of the stems of most flowering plants

• the choicest or most essential or most vital part of some idea or experience

• remove the pith from (a plant)