projection

doub'le p., a deformity of the sacrum in which the second segment is bent backward, its body forming an external angle with that of the first segment; this second p. is called false p. false p., see double p. p. of the sacrum, promontorium (i). p. of the tym'panum, promontoriiun (2). kytos, cell.] Granular leucoblast, a large uninuclear cell seen in the blood in cases of mixed-cell leucemia it resembles a cell of lymphatic origin, but is really of myeloid descent. the forearm in such a way that the palm of the hand looks backward when the arm is in the anatomical position, or downward when the arm is extended at a right angle with the body.