Cranio-
Cranio-: Referring to the cranium, the top portion of the skull, the bony vault that protects the brain. As in craniocleidodysostosis, craniology, craniopharyngioma, craniotomy, etc.
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- Craniocleidodysostosis
Craniocleidodysostosis: A genetic (inherited) disorder of bone development characterized by: Typical cranial and facial abnormalities with square skull, late closure of the sutures of the skull, late closure of the fontanels (the soft spots), low nasal bridge, delayed eruption of the teeth, abnormal permanent teeth, etc. Absent or incompletely formed collar bones (the “cleido-” part […]
- Craniology
Craniology: The study of variations in size, shape, and proportion of the skull (cranium). Also known as phrenology, it was a pseudoscience of the 18th and 19th centuries based on the belief that a person’s character could be learned by looking with care at the shape of their head and noting each and every bump […]
- Craniometaphyseal dysplasia
Craniometaphyseal dysplasia: An inherited skeletal condition that involves abnormal bone formation and abnormal mineralization of the skull as well as the long bones. There is increased density of craniofacial bones beginning at the base of the skull during early childhood. The progressive thickening of the bones of the skull can lead to severe visual and […]
- Craniopagus parasiticus
Craniopagus parasiticus: Conjoined twins joined at the head (craniopagus) in which a rudimentary head (with little or no body) is attached to the head of the larger and usually more normal twin. The rudimentary head was thought to be parasitic.
- Craniopharyngioma
Craniopharyngioma: A benign brain tumor that develops from embryonic tissue that forms part of the pituitary gland. Pressure on the pituitary gland by the tumor reduces the availability of the hormone vasopressin, raising the pressure within the cranium. A craniopharyngioma usually includes hard, calcified components within the tumor itself and affects the development of the […]