velamen 中文意思是什麼
velamen
解釋
n. 名詞 （pl. -lamina ）1. 【解剖學】帆，膜，被膜。2. 【植物；植物學】根被。
-
The roots of many orchids and other epiphytes developed a sheath of dead cells, the velamen, which helps to absorb water from the atmosphere
許多蘭科植物的根和一些附生植物的死細胞鞘以及根被都可以幫助植物從空氣中吸收水分。 -
Root of backbone nerve around is in backbone ganglion is far side assemble, scabbard of stiff backbone film also closes subsequently for one scabbard, become backbone nerval velamen, namely the film outside nerve, because backbone ganglion is located in between vertebra kong shuiping, the length of backbone nerve root has variation consequently
脊神經前後根在脊神經節遠側會合，硬脊膜鞘也隨之合為一鞘，成為脊神經的被膜，即神經外膜，由於脊神經節位於椎間孔水平，脊神經根的長度因而有變異。
分享友人