Hypertonia is a term sometimes used synonymously with spasticity and rigidity in the literature surrounding damage to the central nervous system, namely upper motor neuron lesions. Impaired ability of damaged motor neurons to regulate descending pathways gives rise to disordered spinal reflexes, increased excitability of muscle spindles, and decreased synaptic inhibition. These consequences result in abnormally increased muscle tone of symptomatic muscles. Some authors suggest that the current d
Ectoplasm (from the Greek ektos, meaning outside, and plasma, meaning something formed or molded) is a term coined by Charles Richet to denote a substance or spiritual energy exteriorized by physical mediums.Ectoplasm is said to be associated with the formation of spirits.Ectoplasm is considered to be a hoax, made from cheesecloth, gauze or other natural substances.lthough the term is widespread in popular culture, the physical existence of ectoplasm is not accepted by science. Some tested samples purported to be ectoplasm have been found to be various non-paranormal substances.
noun. Cytoplasm is the substance that fills living cells. Cytoplasm is the substance that fills living cells. The definition of cytoplasm is the clear, gel-like substance outside the nucleus of the cell of plants and animals.An example of cytoplasm is the substance that fills every living cell in our bodies.ytoplasm is the substance that fills living cells. The definition of cytoplasm is the clear, gel-like substance outside the nucleus of the cell of plants and animals.