Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Shape of Casparian bands. (A–C) The cell wall with a Casparian band has a specific wavy shape as can be seen in both tangential (A, B) and radial sections (C). oc, outer cortex; en, endodermis; pe, pericycle; asterisk, Casparian band. Scale bars (A) = 5 µm; (B, C) = 1 µm.
