Definition of "dentate" [den•tate]

• Edged with toothlike projections; toothed: dentate leaves. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Under the microscope, it appeared that the transplanted cells had settled mainly in a sub-area of the hippocampus called the dentate gyrus."
• "The hippocampus plays a central role in the creation and storage of new memories, and central to that function is the creation of neurons from "neural precursor cells" - stem cells-within the part of the hippocampus called the dentate gyrus."
• "The researchers built on earlier studies that found that the production of stem cells in the area of the hippocampus known as the dentate gyrus drops off dramatically by the time mice are middle age and that exercise can slow that trend."