| CLS | cafe-au-lait spot; Clinical Laboratory Scientist; Coffin-Lowry syndrome; Cornelia de Lange syndrome |
|---|---|
| CRSM | cherry red spot myoclonus |
| MS | Maffuci syndrome; maladjustment score; mandibular series; Marfan syndrome; Marie-Strumpell [syndrome... |
| Rf | in paper or thin-layer chromatography, the distance that a spot of a substance has moved from the po... |
| YS | yellow spot; yolk sac |