The Anatomy Lesson of Dr. Nicolaes Tulp his forename (in its original form) as opposed to the monogramme "RHL" (Rembrandt Harmenszoon of Leiden), and is thus a sign of his growing artistic confidence. The event can be dated to 31 January 1632: the Amsterdam Guild of Surgeons, of which Tulp was official City Anatomist, permitted only one public dissection a year, and the body would have to be that of an executed criminal. Anatomy lessons were a social event in the 17th century, taking place in lecture rooms that were actual theatres, with students, colleagues and the general public being permitted to attend on payment of an
The Doctor (Doctor Who) to the anaesthetics affecting his physiology (1996 "Doctor Who" television film). While his regeneration first appeared to be smooth ("The Parting of the Ways"), the Tenth Doctor began to experience spasms and became somewhat manic, frightening his companion as he pushed the TARDIS to dangerous extremes (). After crash-landing the TARDIS, the Doctor collapsed and remained unconscious for most of the next fifteen hours ("The Christmas Invasion"). The experience was traumatic enough to cause one of his hearts to temporarily stop beating. The TARDIS appears to aid in the regenerative process, with few occasions where the Doctor regenerates outside it.