Specimens were collected from field sites in Costa Rica and Vietnam. Dissected sperm receptacles were fixed in 2.5% glutaraldehyde, post-fixed in OsO₄, and imaged using a Hitachi S-4700 SEM. Sperm viability was assayed using Hoechst 33342/propidium iodide staining.
None declared. If you meant something else (like finding a real 2013 paper or explaining WEB-DL in a biological context), let me know. Sperm Receptacles 6 -2013- WEB-DL
spermatheca, sperm competition, cryptic female choice, reproductive tract, ultrastructure Specimens were collected from field sites in Costa
It looks like you’ve provided a fragment that resembles a file name rather than a request for an actual academic paper. post-fixed in OsO₄
Funded by NSF grant IOS-1123467. WEB-DL data deposition: raw images and videos available at Dryad (doi:10.5061/dryad.6sr2013).