title: Studies on the mucosubstances elaborated by dart gland of a land pulmonate Semperula maculata in seasonal breeding-aestivation cycle.
mesh_terms: D000818:Animals; D005088:Exocrine Glands / Q000166:cytology*; D006025:Glycosaminoglycans / Q000032:analysis*; D006651:Histocytochemistry; D012621:Seasons; D012908:Snails; D013997:Time Factors
chemical_list: D006025:Glycosaminoglycans