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.
Organization of wild type Arabidopsis inflorescence stems following primary vascular tissue development. Position of the phloem (ph), xylem (xy), pith (pi), interfascicular cells (if), endodermis (en), cortex (co) and epidermis (ep) are marked. Size bar = 100nm.
