Just about to make a real mess of this one, hope someone can help, please ..... 1a part of battery producing current by irreversible chemical action (7,4) ?r???r? ???? (is it something "wire"?) 13a surgical instrument for dissecting muscle (7) ??o???e 3d important person or one who thinks he is (7) ??g???p 5d Afro-caribbean hairstyle in tightly braided flat strips (7) ??r??ow 6d word from German for a run in a bobsleigh competition (4) ??uf (or have I got some other clues wrong, I thought it was "luge") 7d military unit temporary Hq (7,4) ?o???n? p?s? (is it "holding post"?)