Related Clues:
- Gray matter?: Abbr.
- Medical sch. class
- Nursing school subj.
- Organs are located in it: Abbr.
- Dr. Gray's specialty
- Med school course
- Organ study: Abbr.
- Gray area: Abbr.
- Class to bone up on?: abbr.
- Bare-bones subj.?
- Surgeon's subj.
- Med school subject
- Insect sci.
- Subj. involving organs
- Medical-school subj.