Njengoko kuchaziwe kwisicatshulwa, i-sternum ziintsalela ezihlolwayo zomphambili okanye ubume bendalo yomzimba ogqibeleleyo, -iqala “ukuwa” komenzi.

Umzekeliso. VI-E

Ngokunxibelelana nale nto kufanelekile ukucaphula kwiCunningham "iTeknoloji yeAnatomy," uhlelo lwe4th, iphepha 767:

I-Morphology ye-Sympathetic Nervous System:

"Ubudlelwane be-phylogenetic be-sympathetic kunye ne-cerebro-spinal element kwi-system akunakwenzeka ukucacisa. Kungenzeka ukuba inkqubo yovelwano ngummeli wezakhiwo zakudala ezizimeleyo kwi-cerebro-spinal nervous system, izixhobo ezisetyenziselwa inkqubo ye-nervous yanamhlanje; okanye kungenzeka ukuba ukulungelelaniswa kwemithambo yomgogodla kunye novelwano zombini iziphumo zokubunjwa kwamalungu amatsha kunye nezakhiwo kwindawo ye-splanchnic. Iphononongwe kuko konke ukukhanya, ineempawu ezahlulayo kwi-cerebro-spinal system, nangona idityaniswe ngokungenakuphikiswa kunye nayo kwaye ithobela yona. "