mastoid bone

Noun
  1. Process of the temporal bone behind the ear at the base of the skull (synset 105549826)
    is a type of: appendage, outgrowth, process - a natural prolongation or projection from a part of an organism either animal or plant
    has: mastoidale - the craniometric point at the lowest point of the mastoid process
    is a part of: os temporale, temporal bone - a thick bone forming the side of the human cranium and encasing the inner ear
    same as: mastoid, mastoid process, mastoidal

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