(1) In 2 cases, a bone marrow trephine biopsy was also available for examination.

(2) An instrument that acts like a cookie cutter, called a trephine , cuts a precise circular shape.

(3) The only difference in processing of the BM core and clot was decalcification of the trephine core biopsy.

(4) The bone marrow aspirate was similar to the trephine , with 15% of blasts showing monocytoid differentiation together with an absolute monocytosis and mild dyserythropoiesis.

(5) The instrument for this is still called a trephine .

(6) As in trephination performed by the Incas who traded their melancholy for a helmet made from a turtle shell.

(7) He excelled in both, as a professor of surgery at the Bicetre in Paris and as a noted anthropologist dealing with a plethora of subjects, including the Cro-Magnon man and Neolithic trephination .

(8) The invention relates to a method and apparatus for trephining corneal tissue in preparation for keratoplasty.

(9) Reports of trepanation (or trephination ) have been spotty throughout history, but there is little doubt of its existence dating back to Neolithic times.

(10) However - remarkably and inexplicably - the earliest major surgery of which we have undoubted evidence is trephination of the skull, which dates back to at least 5000 BC in the Stone Age period.

(11) Old types of corneal prostheses required a full trephination of the cornea.