11-Letter Words Containing: _,_,E,M,O,O,R

• Any of a class of pigments that control most photomorphogenic responses in higher plants

• Any of a number of eicosanoids, related to prostaglandin, that have a role in the clotting of blood

• surgical procedure in which spinal nerve roots are cut; done (anterior roots) to relieve intractable pain or (posterior roots) to stop severe muscle spasms

• the male reproductive cell; the male gamete