Examlex
Imagine that you are about to give blood for the first time. While watching other donors around you, you become pale and have to sit down before you faint. Which vessels constricted to produce this nervous side effect?
Grasses
Members of the Poaceae family, which are key agricultural and ecological species, known for their long, slender leaves and roles in ecosystems and food supplies.
Basal Cell
A type of cell found in the lower layers of the epidermis that continuously divides to form new cells, replacing the old ones that die and are shed.
Embryonic Development
The process by which an embryo forms and develops, from fertilization to the fetus stage.
Cotyledons
Embryonic leaves in seed-bearing plants, forming the first leaves to appear from a germinating seed.
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