Digital bones of the hand - Ossa digitorum manus

Анатомическая иерархия

Общие термины > Osteology > Добавочный скелет > Bones of the thoracic limb > Skeleton of hand > Digital bones of the hand

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Описание

The phalanges are digital bones in the hands and feet of most vertebrates. In primates, the thumbs and big toes have two phalanges while the other digits have three phalanges. The phalanges are classed as long bones.

The original pattern of the phalanges comprises five rays but vary between species : they are designated numerically in a mediolateral sequence (from first to fifth digit):

  • Carnivores have all five rays (1-5)
  • Pig: four rays (2-5)
  • Ruminant: two rays (3-4) with two non functional rays (2 and 5)
  • Horse: only third ray (3)

 


This definition incorporates text from the wikipedia website - Wikipedia: The free encyclopedia. (2004, July 22). FL: Wikimedia Foundation, Inc. Retrieved August 10, 2004, from http://www.wikipedia.org
Veterinary Anatomy of Domestic Mammals: Textbook and Colour Atlas, Sixth Edition - Horst Erich König, Hans-Georg Liebich - Schattauer - ISBN-13: 978-3794528332

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