See Also: platysma(medicine)
platysma(dictionary)
musculus platysma(medicine)
musculus platysma myoides(medicine)

interposition (iou) and platysma (iou)


interposition (iou)



interposition noun. LME.
[Old & mod. French, or Latin interpositio(n-), from interposit- pa. ppl stem of interponere: see INTERPONE, -ION.]
The action or an act of placing oneself or something between; the fact or condition of being placed between. LME.
The action or an act of interfering in a matter; (an) intervention. LME.

platysma (iou)



platysma noun. . L17.
[mod. Latin, from Greek platusma flat piece, plate, from platunein widen, from platus broad, flat.]
Anatomy. A thin broad layer of muscle fibres extending from the collar-bone to the angle of the jaw.