part of part of has part has part mucus secreting cell acinar cell of salivary gland mucous acinar cell of salivary gland 2025-08-05T15:33:46Z An acinar cell of the salivary gland, responsible for producing a viscous, mucin‐rich solution, thereby facilitating lubrication and protection of the oral mucosa. This cell is characterized by an elongated shape, clear cytoplasm filled with mucin granules, and a basally compressed nucleus (Barrows et al., 2020). In humans and mice, the mucous acinar cell predominates in the sublingual gland and minor salivary glands, while also being present in mixed glands such as the submandibular gland, where it coexists with serous acinar cells (Maruyama et al., 2019). mucin granule mucous acinus