Acromikria is a medical term that refers to a condition in which a person has unusually small hands and feet. Synonyms for acromikria include brachymetacarpy, brachydactyly, and microdactyly. Brachymetacarpy is a condition in which a person's hand bones are shorter than normal, while brachydactyly is a condition in which the fingers are disproportionately short. Microdactyly is a condition in which the fingers are abnormally small. These terms are all used to describe various aspects of the same condition, and they can be used interchangeably to explain the different ways in which acromikria can manifest in different people.