Semi-thin sections of the postpharyngeal glands of females.

<p>(<b>A</b>) <i>T. boharti</i>, and (<b>B</b>) <i>T. elongatus</i>. All the features shown for one species could also be observed in the other, but may not appear in the respective picture. Abbreviations: As, air sac; Ep, epithelium of the PPG; H, hair; Lu, lumen of the PPG; N, nucleus; sC, surrounding cell; V, vesicle (scale bars = 50µm).