淋巴管和毛细淋巴管只存在颌下腺小叶间结缔组织内和被膜内。

There are no lymphatic capillaries and vessels in the lobules of the submandibular gland, but there are many blood capillaries. lymphatic capillaries and vessels only appear among lobules and int...

youdao

淋巴管和毛细淋巴管只存在颌下腺小叶间结缔组织内和被膜内。

There are no lymphatic capillaries and vessels in the lobules of the submandibular gland, but there are many blood capillaries. lymphatic capillaries and vessels only appear among lobules and int...

youdao