spongy layer

基本解釋

Results: Mandibular canal was formed by a thin layer of compact bone in spongy bone of mandibular bone.
結(jié)果：下頜管是下頜骨的骨松質(zhì)內(nèi)形成較薄的骨密質(zhì)骨管。
The study's notion of a relatively warm, spongy ice layer beneath a thin, hard outer shell would also explain Titan's lack of major mountains.
薄而堅(jiān)硬的外殼之下?lián)碛幸粋€(gè)相對(duì)溫暖的海綿狀冰層也解釋了為什么在泰坦星上缺少較高的山峰。
An external layer of compact Bone surrounds a central area of spongy Bone, except at the marrow cavity.
骨的外層為質(zhì)密的骨皮質(zhì)，包圍著海綿狀骨松質(zhì)中心區(qū)（不算骨髓腔）。