amphicoelous

/ ˌæmfɪˈsiːləs /

adjective

1. (of the vertebrae of most fishes and some amphibians) concave at the anterior and posterior ends

Word History and Origins

Origin of amphicoelous¹

C19: from amphi- + Greek koilos hollow

Example Sentences

The eighth vertebra is however generally amphicoelous, while the ninth commonly has one convexity in front, and two behind.

From Project Gutenberg

The vertebrae are amphicoelous or sometimes nearly flat, and the notochord sometimes persists to some extent.

From Project Gutenberg

The vertebrae are nearly always amphicoelous and sometimes have notochordal centra.

From Project Gutenberg

The neck is long, the caudal vertebrae are amphicoelous, and from three to five vertebrae are fused together in the sacral region.

From Project Gutenberg

The vertebrae are amphicoelous, and are generally well ossified.

From Project Gutenberg