At the bottom there is a layer called the hypodermis consisting mostly of fat cells.

在底部有一层叫表皮主要由脂肪细胞。

Hypodermis One or more layers of cells that may be found immediately below the epidermis of plants.

是植物表皮下的一层或多层细胞，主要由大量薄壁的无色细胞组成。

Furthermore, we examined HA in human pancreatic cancer cells transplanted into the hypodermis of nude mice to study the inhibitory effect of ME on HA synthesis.

此外，我们通过把人类胰腺癌细胞中的HA植入裸鼠的皮下组织中研究ME对HA合成的抑制作用。