Kranz anatomy

views updated Jun 27 2018

Kranz anatomy A special structure in the leaves of plants that have a C4 pathway of carbon dioxide fixation. The leaves contain a ring of mesophyll cells, containing a few small chloroplasts concerned with the initial fixing of carbon dioxide, surrounding a sheath of parenchyma cells (the bundle sheath) which has large chloroplasts involved in the Calvin cycle.

Kranz anatomy

views updated May 23 2018

Kranz anatomy The arrangement of palisade mesophyll cells in a circle around the vascular bundle of C4 plants. See bundle sheath cells.