micro- means small. Hydro/cephal/us is a condition involving fluid in the head. A condition of an abnormally small head is called ____________/ ___________/ ____________. Microcephalus limits the...

micro- means small. Hydro/cephal/us is a condition involving fluid in the head. A condition of an abnormally small head is called ____________/ ___________/ ____________.

Microcephalus limits the size of the brain. Most microcephalic people are mentally impaired. Occasionally a baby is born with an unusually small head, or ______________________.