Sezvinotaurwa murugwaro, iyo sternum ndiko kusara kwekuongorora kweyemberi- kana yemhando-yemufananidzo wemuviri wakakwana, -akanangana ne "kuwa" kwemuiti.

Fig. VI-E

Mune izvi zvinongedzo zvakakosha kutora kubva kuCunningham's "Chinyorwa cheAnatomy," 4th edition, peji 767:

Morphology yeiyo Sympathetic Nervous System:

"Iyo phylogenetic hukama hweanonzwira tsitsi uye cerebro-spinal zvinhu muhurongwa hazvigoneke kuziva. Zvingave kuti iyo inonzwira tsitsi inomiririra yekuvaka yekare yakazvimirira yecerebro-spinal nervous system, izvo zvinoshandiswa zvinoshandiswa kune imwe yemazuva ano tsinga; kana kuti zvingave kuti kuwirirana uye mhedzisiro yemwongo wetsinga uye tsinga. Yakaongororwa muchiedza chega chega, ine zvinhu zvinonyatsoisiyanisa kubva kune cerebro-spinal system, kunyange zvazvo yakanyatsobatanidzwa nayo uye inozviisa pasi payo.