title: Ultrastructure of secretory cells in the gut of the cattle-tick Boophilus microplus.
mesh_terms: D000818:Animals; D003594:Cytoplasmic Granules / Q000648:ultrastructure; D005260:Female; D007422:Intestines / Q000648:ultrastructure; D008854:Microscopy, Electron; D013987:Ticks / Q000648:ultrastructure*