the meaning of the medical term microcephalus is
Microcephaly Microcephaly is a medical condition in which the brain does not develop properly resulting in a smaller than normal head.[1] Microcephaly may be present at birth or it may develop in the first few years of life.[1] Often people with the disorder have an intellectual disability, poor motor function, poor speech, abnormal facial features, seizures, and dwarfism.[1]
Microsecond A microsecond is an SI unit of time equal to one millionth (0.000001 or 10−6 or 1/1,000,000) of a second. Its symbol is μs.