FIG. 13 in New data on the biodiversity of Solenogastres (Mollusca, Aplacophora) in the Mediterranean Sea: findings from the program "Our Planet Reviewed" Corsica 2019-2022

FIG. 13. — Histological sections of the anterior region of Eleutheromenia sierra (Pruvot, 1890) (MNHN-IM-2019-1749): A, atrial cavity; B, region between the atrial opening and the mouth, without ventral cuticle; C, opening of the mouth; D, radular region of the foregut; D', detail of the radula; E, paired region of the spawning duct; E', detail of the seminal vesicles; F, fused region of the spawning duct.; G, opening of the mantle cavity with respiratory folds. Abbreviations: see Material and methods. Symbol: Arrows indicate the outlet of the abdominal spicules Scale bars: 100 µm.