
1) Facial expression
Found on
https://www.crosswordclues.com/clue/hypomimia

Hypomimia (masked facies, masking of facies), a medical sign, is a reduced degree of facial expression. It can be caused by motor impairment (for example, weakness or paralysis of the facial muscles), as in Parkinson`s disease, or by other causes, such as psychological or psychiatric factors (for example, if a patient actually does not feel emoti....
Found on
http://en.wikipedia.org/wiki/Hypomimia

decreased facial expression due to rigidity of facial muscles.
Found on
http://www.encyclo.co.uk/local/21811
No exact match found.