translation.en: And between this muscle, they found nervous tissues, a lot of nervous tissues, which penetrate actually the muscle -- penetrate the submucosa, where you have all the elements for the immune system.
translation.zh: 在这些肌肉之间，他们发现了神经组织， 大量的神经组织， 它们渗透在整层肌肉中， 进入粘膜下层， 那里都是免疫系统。