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. 2015 Aug 3;5:12706. doi: 10.1038/srep12706

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(A) Pre-spinning V instar feeding larva (about 8 cm long). (B) Golden silk cocoon (chrysalis, about 5 cm long). (C) One in a pair of silk glands (about 30 cm long) dissected from V instar pre-spinning larva of A. assama, placed in a Petri plate with 1X PBS. It shows features of a typical lepidopteron silk gland with three distinct regions: ASG (Anterior Silk Gland), MSG (Middle Silk Gland), and PSG (Posterior Silk Gland). (D) Fluorescent micrographs of portions of ASG, MSG and PSG of II instar larval silk gland showing stacks of paired glandular epithelial cells (DAPI stained) that makeup the cross-sectional circumference of silk gland.