Sclerotic ring

Sclerotic rings are rings of bone found in the eyes of several groups of vertebrate animals, except for mammals and crocodilians. They can be made up of single bones or multiple segments. They are believed to have a role in supporting the eye, especially in animals whose eyes are not spherical, or which live underwater. Fossil sclerotic rings are known for a variety of extinct animals, including ichthyosaurs, pterosaurs, and dinosaurs, but are often not preserved.

单词	Sclerotic ring
释义	Sclerotic ring 原声例句 TED Radio Hour They found the remains - they found this gigantic skull over a meter long with a massive - what we call sclerotic ring, this giant ring of bone inside the eye socket of this animal, which we call an ichthyosaur. 他们发现了遗骸——他们发现了这个一米多长的巨大头骨，上面有一个巨大的——我们称之为硬化环，这个巨大的骨环位于这种动物的眼窝内，我们称之为鱼龙。英语百科 Sclerotic ring Sclerotic rings are rings of bone found in the eyes of several groups of vertebrate animals, except for mammals and crocodilians. They can be made up of single bones or multiple segments. They are believed to have a role in supporting the eye, especially in animals whose eyes are not spherical, or which live underwater. Fossil sclerotic rings are known for a variety of extinct animals, including ichthyosaurs, pterosaurs, and dinosaurs, but are often not preserved.
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