The submandibular gland, which is a mixed gland containing more mixed acinus than serous acinus and mucous acinus, contains intercalated duct, GCT, and secretoryduct.
颌下腺属混合腺，以混合性腺泡为主，有少量浆液性腺泡和黏液性腺泡，有闰管、颗粒曲管和分泌管；
2
Cells in the secretory portion and duct have different electrophysiological phenomena. At normal condition, resting membrane potential of secretory cells was obviously higher than that of duct cells.
汗腺导管细胞和分泌细胞具有不同的电生理现象，正常状态下分泌细胞静息膜电位明显高于导管细胞。
3
The human blood a type antigen was highly expressed on some islet cells, some exocrine secretory cells and all the duct epithelium.