Search:pleurosigma -> PLEUROSIGMA
pleurosigma
p l e u r o s i g m a hex:#112;#108;#101;#117;#114;#111;#115;#105;#103;#109;#97;
The Salt of the World?
- Pleurosigma - n. - A genus of diatoms of elongated elliptical shape, but having the sides slightly curved in the form of a letter S. Pleurosigma angulatum has very fine striations, and is a favorite object for testing the high powers of microscopes.