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You see, adult female birds during egg production produce a layer of spongy bone tissue inside certain long bones.

你看，成年雌鸟在产蛋的过程中会在某些长骨内产生一层海绵状的骨组织。

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Collagen, a fibrous protein found in connective tissue, bone and cartilage, basically holds the body together.

胶原蛋白是存在于结缔组织、骨质和软骨中的纤维蛋白质，它的基本作用是将人体各组织结合在一起。

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These breaks destroy skin and soft tissue, sometimes all the way down to the bone.

VOA: special.2009.04.06

Many of the injuries were to "lower extremities" and included tissue and bone damage, he said.

WSJ: Doctors Treating Boston Marathon Victims Describe Injuries

Groups like the one in Missouri are also investigating exactly how different types of human tissue and bone react to femtosecond lasers.

ECONOMIST: Ultra-fast lasers

The tools also improve the quality of tissue and bone grafts.

FORBES: Medical Innovation in the Corn Fields