Figure 4: 3D - reconstruction from SRμCT of Haploembia solieri.
From: The spinning apparatus of webspinners – functional-morphology, morphometrics and spinning behaviour

Bta - basitarsomer; cc - “canal cage”; dc - duct; glt - gland tissue; res - gland reservoir; se – silk ejector. (A) The spinning apparatus located within the prothoracic basitarsomer. (B) A single gland including the ejection apparatus. (C) Schematic drawing of a single gland.