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:

"Hukama hwe phylogenetic hweanonzwira tsitsi uye cerebro-spinal zvinhu muhurongwa hazvigoneke kuziva. Zvingave kuti hurongwa hwekunzwira tsitsi ndiye mumiriri wezvivakwa zvekare zvakasununguka kubva kune cerebro-spinal nervous system, izvo zvinoshandiswa zvinoshandiswa kune imwe yemazuva ano tsinga; kana kuti zvingave kuti kuwirirana kwetsinga dzemusana uye kunzwira tsitsi zvose zvinokonzerwa nekuumbwa kwenhengo itsva uye zvivako munzvimbo ye splanchnic. Yakaongororwa muchiedza chese, ine zvinhu zvinoisiyanisa kubva kune cerebro-spinal system, kunyangwe yakave yakabatana zvisingaite nayo uye inozviisa pasi payo. "