294: GLOSSARY. 



Cornea : the transparent membrane forming the front of the eye. 



Corpuscles : particles of matter. 



Crenate : scalloped, or with rounded teeth. 



Crescent : shaped like the new moon. 



Crystalline : resembling crystal ; clear ; transparent. 



Cuticle : the thin membrane covering the surface of plants ; the 



outermost layer of the skin. 



Cyclosis : the movement of protoplasm within a closed cell. 

 Cylindrical : like a cylinder or long, circular body. 



Dentate: toothed. . 



Denticulate : with small, pointed teeth. 



Diagonal : extending obliquely. 



Diffused : spread out, extended. 



Disintegrated : reduced to minute parts. 



Distal : the furthest part. 



Diverging : spreading from a central point. 



Dorsal : pertaining to the back. 



Dorsum : the back. 



Ejected: thrown out. 



Elliptical: oval. 



Emarginate : notched. 



Epithelium : the membrane lining various internal cavities and free 



surfaces of animals. 



Expansile : capable of being expanded or widened. 

 Extensile : capable of being lengthened or extended. 



Facet : a little surface or face. 



Fascicle : a cluster. 



Filament : a thread, or resembling a thread. 



Fission : division or cleaving. 



Flagellum (plural flagella) : a little lash. 



Flexible : capable of being bent. 



Frond : a leaf of fern ; the entire plant of Lemna. 



Frontal : pertaining to the front. 



Frustule : the entire diatom, consisting of two valves and the hoop. 



Furcate: forked. 



