Also, between the circular and the longitudinal muscle layer, there's a plexus, or networks of nerves, which help coordinate muscle contraction and relaxation.

另，在内环肌肌之间，还有丛（网络）的分布；丛可以协调肠道平滑肌的收缩与舒张。

GM2 is found mainly in neurons, so without HEX-A, it accumulates inside lysosomes.

GM2通常分布在元中，因此如果HEX-A失，GM2就会在溶酶体中积蓄。

That's the stage when individuals usually experience pain, although pain can also occur when the caries lesion involves the dentin layer since sensory nerve fibers travel through tubules in the dentin.

在这个阶段，患者常会感到疼痛，但牙本质层受累产生龋坏时也可能有疼痛产生，因为感也分布在牙本质的管道中。

In the thoracic region of the spine, neural crest cells differentiate into the neurons of the sympathetic chain, lying on either side of the entire spinal cord.

在脊柱的胸椎节段，嵴细胞分化成交感链的元，分布在整条脊髓的两侧。

Many insect activities, like walking or breathing, are coordinated by clusters of neurons, also known as ganglia, along their bodies.

许多昆虫活动，如行走或呼吸，都是由沿其身体分布的元簇（亦称节）协调完成的。