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The epidermal tissue includes several differentiated cell types: epidermal cells, guard cells, subsidiary cells, and epidermal hairs . The epidermal cells are the most numerous, largest, and least specialized. These are typically more elongated in the leaves of monocots than in those of dicots. Diagram of moderate scale leaf anatomy
hexacytic (meaning six-celled) stomata have six subsidiary cells around both guard cells, one at either end of the opening of the stoma, one adjoining each guard cell, and one between that last subsidiary cell and the standard epidermis cells. This type can be found in some monocot families. tetracytic (meaning four-celled) stomata have four ...
This depolarization triggers potassium plus ions in the cell to leave the cell due to the unbalance in the membrane potential. This sudden change in ion concentrations causes the guard cell to shrink which causes the stomata to close which in turn decreases the amount of water lost. All this is a chain reaction according to his research.
BioTime's majority owned subsidiary Cell Cure Neurosciences Ltd. is developing therapeutic products derived from stem cells for the treatment of retinal and neural degenerative diseases.
Cell Cure Neurosciences Ltd., a majority-owned subsidiary of BioTime that is developing therapeutic products derived from stem cells for the treatment of retinal and neural degenerative diseases.
Another subsidiary, OncoCyte Corporation, focuses on the diagnostic and therapeutic applications of stem cell technology in cancer, including the diagnostic product PanC-Dx™ currently being ...
Idioblast cells are believed to be the precursors for guard cells, trichiomes, gland cells, and subsidiary cells of stomata. [8] The uneven division of idioblasts causes extreme differentiation in their daughter cells, with many daughter cells having different functions from their parent cell.
BioTime's Subsidiary Cell Cure Neurosciences Ltd. Awarded $1.5 Million Grant from Israel's Office of the Chief Scientist ALAMEDA, Calif. & JERUSALEM--(BUSINESS WIRE)-- BioTime, Inc. (NYSE MKT: BTX ...