This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. pertaining to connective tissue containing large white blood cells.

"Before I get to other Liberal Coalition members' posts of interest from this past week, I want to extend my deepest condolences to John at archy on the loss of his beloved Miss Parker, and send my best to Echidne of the Snakes, who's dealing with Hank's histiocytic sarcoma as best anyone can."

histiocyte