Examlex
When a carpenter provides $100 of services in exchange for $100 of groceries, the carpenter has realized $100 of income.
Stem Cells
Undifferentiated biological cells that can differentiate into specialized cells and divide to produce more stem cells.
Specialized Cell Types
Cells that have developed distinct physical and functional characteristics during growth, tailored to perform specific tasks within an organism.
Apex
The top or highest part of something, especially one forming a point.
Vertex
The highest point of the skull, or the top or apex of something.
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