Figure 9 in Respiration by jumping spiders (Araneae: Salticidae)

Figure 9 (continued from previous page). SEM images of the cryofractured opisthosoma of an adult male Phidippus audax. 13, Hemocytes in a medial sinus (at bottom) and air sacs with struts separated by wide hemolymph channels (top). 14, Transverse fracture of anterior opisthosoma through book lung. 15, Inset (14) showing bundles of tracheae and associated nerves that pass through the pedicel to the prosoma. 16, Inset (15). 17, More tracheae near nerves. 18, Detail from inset (17) showing cytoplasm around the tracheae, and nearby pulmonary air sac. Abbreviations: as, pulmonary air sac; ls, lateral sinus; m, muscle; t, tracheae.