craniopagus

/ ˌkreɪnɪˈɒpəɡəs /

noun

1. the condition of Siamese twins joined at the head

Example Sentences

The Schappells lived much longer than had been expected when they were born as craniopagus twins, joined at the head, which is rare.

From New York Times

Bernardo and Arthur, at almost four years of age, are the oldest craniopagus twins - that is twins with a fused brain - to have been separated.

From BBC

According to the charity, one in 60,000 births results in conjoined twins, and only 5% of those are craniopagus.

From BBC

Twins joined at the head — known medically as craniopagus twins — are extremely rare.

From Seattle Times

The girls’ skulls were joined back-to-back in what the medical community calls “total posterior craniopagus.”

From Fox News