Tonus

... reflex is a monosinaptic reflex that closes in the spine. All your skeletal muscles are in a permanent state of mild contraction called muscular tonus, which is a reflex that closes in the cerebellum. In neurodegenerative disorders, what happens is that commands don't travel smoothly from the ...

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hypo- = under hyper- = over iso- = similar tonus = tone -- tonic (adj.) Water flows from hypotonic solution to hypertonic solution, as osmosis a.k.a water diffusion, to create isotonic solutions on both side (balance).

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The removing of the cerebellum is compatible with life, but in the first weeks after removal causes atony(lack of muscular tonus), astazia(you can not hold your balance without a large support) and asthenia(fast muscular fatigue). The functions of the cerebellum are gradually taken ...

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It has nothing to do with the development of the cerebellum. The cerebellum also comands muscular tonus and modulates movement and the baby can do that. Anatomy 101: the baby's nervous system is fully developed at birth. It only lacks synapses.

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