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Fig. 5 | BMC Zoology

Fig. 5

From: Morphology of powerful suction organs from blepharicerid larvae living in raging torrents

Fig. 5

Microtrichia on the ventral surface of a 4th instar Liponeura cordata suction disc. (a) Cryo-SEM showing the location of the microtrichia region. Note the V-notch is in the open state (see arrow). The red dotted line indicates the approximate length and location of the freeze-fracture represented in (b). Scale bar 100 μm. (b) Freeze-fracture SEM highlighting the different types of microtrichia found on the suction disc. The rim microtrichia are flat and short, while the spine-like microtrichia immediately proximal are long, curved, and oriented towards the centre. The central zone with short and approximately perpendicular microtrichia begins inward from the palisade layer (marked with an asterisk). Arrow points towards the centre of the suction disc. Scale bar 20 μm

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