Fig. 2From: Anatomy, ultrastructure and histology of the olfactory organ of the largemouth bass Micropterus salmoides, CentrarchidaeThe diagrams in front (left) and side (right) views of the head of Micropterus salmoides (adult) and the anatomical structure (external, a; internal, b) of its olfactory organ. AN, anterior nostril; ENS, ethmoidal accessory nasal sac; L, lamellae; LNS, lacrymal accessory nasal sac; PN, posterior nostril; R, medium rapheBack to article page