The digestive system SBPH.

<p>(A) The digestive system of SBPH consists of the salivary gland (sg) and the alimentary canal including the esophagus (es), anterior diverticulum (ad), midgut (mg) and hindgut (hg). (B) The single optical section of the lumen side (panel I) and muscle side (panel II) of the midgut. The internal organs of SBPHs were labelled for actin with phalloidin-FITC (green) and examined by confocal microscopy. gl, gut lumen; Mv microvilli; me, midgut epithelium; vm, visceral muscle. Bars, 100 µm.