a whitish, fibrous membrane that connects a muscle to a bone or fascia.
Origin: 1670–80; < Gk aponeúrōsis the part of a muscle becoming a tendon, equiv. to aponeurō-, var. s. of aponeuroûn to change to tendon (see apo-, neuron) + -sis-sis
ap·o·neu·ro·sis (āp'ə-nŏŏ-rō'sĭs, -nyŏŏ-) n.
pl.ap·o·neu·ro·ses (-sēz') A sheetlike fibrous membrane, resembling a flattened tendon, that serves as a fascia to bind muscles together or as a means of connecting muscle to bone.
[Greek aponeurōsis, from aponeurousthai, to become tendinous : apo-, apo- + neuron, sinew; see (s)neəu- in Indo-European roots.] ap'o·neu·rot'ic (-rŏt'ĭk) adj.
Main Entry: apo·neu·ro·sis Pronunciation: "ap-&-n(y)u-'rO-s&s Function: noun Inflected Form: pluralapo·neu·ro·ses/-"sEz/ : any of the broad flat sheets of dense fibrous collagenous connective tissue that cover, invest, and form the terminationsand attachments of various muscles —apo·neu·rot·ic/-'rät-ik/adjective
aponeurosis ap·o·neu·ro·sis (āp'ə-n&oobreve;-rō'sĭs, -ny&oobreve;-) n. A sheetlike fibrous membrane resembling a flattened tendon that serves as a fascia to bind muscles together or to connect muscle to bone.