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contents of vacuoles.
Farlex Partner Medical Dictionary © Farlex 2012
sap(săp) [AS. saep]
1. Any fluid essential to the life of plants.
2. To cause gradual exhaustion or weakness, as to sap one's strength.
An old term for the contents of a cell's nucleus.
Medical Dictionary, © 2009 Farlex and Partners
cell sapa watery liquid contained in the VACUOLES of plant cells which is usually hypertonic (see HYPOTONIC to the external medium. This causes the vacuoles to take in water by OSMOSIS, maintaining TURGOR in the cell.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005