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Applied Microscopy
Fig. 4 | Applied Microscopy

Fig. 4

From: Fine structure of the silk spinning system in the caddisworm, Hydatophylax nigrovittatus (Trichoptera: Limnephilidae)

Fig. 4

Cross section of the silk gland in the caddisworm H. nigrovittatus.a, b Cross section of anterior (a) and posterior (b) silk gland showing glandular epithelium (Ep) and internal lumen (Lu). c, d Longitudinal section of the silk gland illustrating an annular narrowing (arrows) at the transition continuous with the cuticular lining of the anterior silk gland. All scale bar indicates 100 μm

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