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Bréchet

A distinctive bulge or ridge at the base of the tail of whales and dolphins, just in front of the flukes [1].

A term for the longitudinal ridge or plate of bone on the underside of a bird's sternum, or breastbone, sometimes called the carina [2]. The keel of the breastbone separates two masses of muscles in the breast and gives them a strong attachment [2]. Ratite birds (the flightless ostrich, rhea, cassowary, emu, and kiwi) lack a keel and have a flat sternum, or breastbone [2].

Carinate means shaped like the keel or prow of a ship. The term is used wih birds with a keeled breastbones [2].


References

  1. ^ Clutton-Brock, Juliet (2002). Mammals. Dorling Kindersley Inc. ISBN 9780789484048. 
  2. ^ a b c d Terres, John K. (1980). The Audubon Society Encyclopedia of North American Birds. Alfred A. Knopf, Inc. ISBN 0394466519. 
Anatomy of an amiotic egg This article is part of Project Glossary, a All Birds project that aims to write comprehensive articles on each term related to animals.


Little Pied Cormorant This article is part of Project Anatomy, a All Birds project that aims to write comprehensive articles on each anatomical term related to birds.
California leaf-nosed bat This article is part of Project Mammal Anatomy, a All Birds project that aims to write comprehensive articles on each anatomical term related to mammals.

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