Really stuck on two. 15a French name for a drawing, painting or sculpture of the human body stripped of the skin to display the musculature, such as any of the studies performed and recorded by Leonardo da Vinci. (7) E?O?C?E. 55a Oxbridge speak for the act of closing one's door in a bid to indicate that visitors are not welcome. (5,3,3) S?O?T, ?H?, O?K. Thanks in advance for any help.