Elastic intramedullly ntsia yog raws li peb-taw tes txhim kho rau cov menyuam yaus, tib tog rau cov neeg laus, thiab ultrial untis pob txha lov, lossis qis dua ceg tawv tsis muaj cortical txhawb nqa, tshwj xeeb tshaj yog cov uas xav tau qhov hnyav-kabmob thiab yog cov muaj hnub nyoog siab heev.
