Fig. 8.
Low-power image of vascular bundle in celery (Apium graveolens). Cyan is the SH signal, showing starch grains (dots) and cellulose (network). Red is the 2-photon signal from lignin autofluorescence. Scale bar 50 μm. See Cox et al. (2005)
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.