Majel Roddenberry as Nurse Chapel in Star Trek TOS

Christine Chapel was a female Human Starfleet officer who lived during the 23rd century. She served in the medical department, a subsection of the sciences division, aboard the USS Enterprise from the late 2250s to the 2270s, before later serving at Starfleet Headquarters during the 2280s.

n 2259, she was on civilian exchange from the Stanford Morehouse Epigenetic Project when she was assigned to the USS Enterprise as a lieutenant commander under Captain Christopher Pike serving as CMO Joseph M'Benga's nurse. In the early days of her assignment, she met Nyota Uhura and Spock for the first time. (SNW: "Strange New Worlds")

Her serial number was NI-596 MT21Z.

Throughout her life, Chapel changed her hair color back and forth between blonde and brunette.