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Figure 5 | Frontiers in Zoology

Figure 5

From: A new kind of auxiliary heart in insects: functional morphology and neuronal control of the accessory pulsatile organs of the cricket ovipositor

Figure 5

Morphology and inner organization of the gonapophyses. (A) Reconstruction of right half of ovipositor. Aside from epidermis, gonapophyses contain nerves (yellow), tracheae (gray) and hemolymph; their lumen is divided by thin septa of connective tissue (arrows) into hemolymph sinuses guiding the countercurrent flow; gonapophysis 8 (ga8) with efferent medial sinus (si8m) and afferent lateral sinus (si8l), gonapophysis 9 (ga9) with efferent lateral sinus (si9l), afferent dorsal sinus (si9d) and afferent ventral sinus (si9v) (B) Cross section through paired ga8 and ga9, same level as in diagram above (n: nerves, tr: tracheae). (C, D) Cross sections through most distal region of right ga9, si9v and si9l in (C) merge into one sinus (D), asterisk indicates hemocyte moving through septum gap into neighboring sinus. Scale bar: (A) 150 μm, (B) 100 μm, (C, D) 50 μm.

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