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. 2011 Nov 15;6(11):e27734. doi: 10.1371/journal.pone.0027734

Figure 2. Gross morphology of brain and inner ears.

Figure 2

Brain and inner ears of fish from the surface habitat Tampico (A) and fish from the Cueva del Azufre (B, C). (A) female, SL = 54 mm; (B) subadult specimen, SL = 26 mm; (C) male, SL = 35 mm. (A1, C1): dorsal view; (A2, B, C2): ventral view. TE, telencephalon; C, cerebellum; MO, medulla oblongata; BO, olfactory bulb; TO, optic tectum; P, pituitary gland; NO, optic nerve; SC, spinal cord; LI, inferior lobe; asc, anterior semicircular canal; hsc, horizontal semicircular canal; psc, posterior semicircular canal; apasc, ampulla of the anterior semicircular canal; aphsc, ampulla of the horizontal semicircular canal; appsc, ampulla of the posterior semicircular canal; L, lagena; la, lateral; r, rostral; S, saccule; U, utricle. Scale bars = 1 mm.