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Arquivos de Zoologia
Figs 122-132 Aylacostoma exophcaia anatomy: 122) hcad and haemococl, ventral view, foot cxtracted; 123) same, snout scctioued longitudinally, buccal mass cxposed; 124) same, ai) organs cxtractcd cxccpt esophagus and brood pouch, brood pouch partially opened Longitndinally; 125) bnccal mass cxtracted, dorsal y.icw; 126) same, vcntral vicw; 127) same with jugal muscles, nerve ring and salivary glands cxtracted, ventral view, 128) buccal mass opened by a latcral-right longiludinal section, showing inncr surface; 129) odontophorc, radula extTactcd,dorsal view, 130) same, ventral view; 131) same, all muscles dcflected showing inncr cartilages, ventral view; 132) same with morę exicmal museles and posterior part of carhlagcs cxtraeted. Scalcs (122-128)= 1 mm (129-132)= 0.5 mm; al = brood ponch fold.
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