Medical Definition of Biological clocks

1. The physiological mechanisms that govern the rhythmic occurrence of certain biochemical, physiological, and behavioural phenomena in plants and animals. The pineal gland, which receives input from the optic nerves and connects to the hypothalamus, may be the biological clock in humans. (12 Dec 1998)

Lexicographical Neighbors of Biological Clocks

biologic
biologic
biological
biological
biologically
biologicals
biological agent
biological agent
biological assay
biological assessment
biological attack
biological availability
biological chemistry
biological clock
biological clock
biological clocks (current term)
biological coefficient
biological containment
biological control
biological defence
biological defense
biological dressings
biological engineering
biological factors
biological group
biological half-life
biological hazard potential
biological immunotherapy
biological magnification
biological markers

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