Previous anatomic studies have demonstrated that the nose possesses distinct tissue layers.

以往的解剖学研究表明，鼻子的解剖层次分明。

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Based on differential analysis of the light curve, it seems that the epidermic cell layer could facilitate the averaging light absorbance between different tissue layers within a leaf.

叶片内部光分布微分曲线说明：叶片表皮组织的存在有利于叶片内部各组织之间光吸收的均匀化。

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To investigate the difference of microscopic autofluorescence imaging of normal and adenocarcinoma colonic tissue, and the autofluorescence intensity difference among the colonic tissue layers.

目的：探讨结肠正常组织和腺癌组织的显微自体荧光图像差异与肠壁不同结构层次的荧光强度差异。

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If I looked within the skin, one of the lower layers of your skin, the connective tissue layer, you'd find many fibroblasts there and they're just waiting in a more rounded shape than this, just waiting to do their job.

如果观察皮肤,更深处的一层细胞,结缔组织层,就能看到许多成纤维细胞,它们平时形状接近圆形,时刻准备着去完成自己的任务

耶鲁公开课 - 生物医学工程探索课程节选

Like ES cells, maGSCs can spontaneously differentiate into the three basic tissue layers of the embryo - and contribute to the development of multiple organs when injected into embryos.

BBC: NEWS | Health | Testicle cells may aid research

Meninges are the thin layers of tissue that protect the brain and the spinal cord under the skull.

CNN: Sheryl Crow: Brain tumor is a 'bump in the road'

At the moment colonies of human stem cells have to be grown on layers of tissue derived from mice.

ECONOMIST: Biotechnology in Singapore