Morphological identification of the squirrel (Callosciurus notatus) tongue through Scanning Electron Microscopy (SEM) and histochemistry

Abstract. Megawati EI, Pradipta SID, Damia U, Kustiati Wihadmadyatami H, Kusindarta DL. 2023. Morphological identification of the squirrel (Callosciurus notatus) tongue through Scanning Electron Microscopy (SEM) and histochemistry. Biodiversitas 24: 2302-2314. Squirrel plays an important role in agricultural ecosystem.Their urine feces kill coconut tree pests help preserve farming productivity. This research focuses on morphological lingual papillae distribution Callosciurus notatus’stongue. The morphology notatus were investigated two different methods: using scanning electron microscopy histology. paper provides macroscopic histological notatus. Macroscopically, is divided into apex, corpus, radix. dorsal surface apex groove lateral prominence occur. SEM light observation showed that bears three types papillae: leaf-like filiform, bifid fungiform. corpus includes wide filiform papillae, saw-like fungiform papillae. On radix, there are conical like vallatae part radix Weber’s glands react strongly positively by Alcian Blue (AB) pH 2.5 periodic acid Schiff (PAS) staining; consist neutral acidic mucin. Von Ebner’s at textus muscularis striatus syncytialis near which weakly to PAS stain did not AB stain; von Masson Trichromestain revealed collagen structure lamina propria mucosae apex; moderately lesser