zygote

n. a fertilized egg, or ovum, with a diploid set of chromosomes, half contributed by the mother and half by the father. The zygote divides to become an embryo, which continues to divide as it develops and differentiates—in humans eventually forming a fetus. —zygotic adj.

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Psychology term of the day

November 24th 2024

brachial plexus

a network of nerves that carries signals from the spinal cord to the shoulder, arm, and hand. Injury to the brachial plexus can impair control of these parts.