Electroejaculation is a physical method of ejaculatory induction allowing for repeated semen evaluation of individual animals and cryobanking of semen for artificial insemination as well as for utilizing males unable to breed naturally. (Benavides F, Sutovsky P, López V, Kennedy C, Echevarría L. Semen Parameters of Fertile Guinea Pigs (Cavia porcellus) Collected by Transrectal Electroejaculation. Animals (Basel). 2020 Apr 28;10(5):767. doi: 10.3390/ani10050767. PMID: 32354009; PMCID: PMC7278442.)
Electron microscopy (EM) is a technique for obtaining high resolution images of biological and non-biological specimens. It is used in biomedical research to investigate the detailed structure of tissues, cells, organelles and macromolecular complexes. (https://www.umassmed.edu/cemf/whatisem)