股骨長是什么意思？

股骨長(chang)(FL)[gǔgǔcháng]是醫(yi)生利用(yong)B超(chao)(或(huo)彩(cai)超(chao))給孕婦作孕期檢查時，用(yong)它(ta)來觀察胎兒發育的(de)情(qing)況常用(yong)的(de)指標。

股骨(gu)(gu)(femur)和肱(gong)骨(gu)(gu)(humerus) 都是(shi)(shi)(shi)(shi)人(ren)體中典(dian)型的長(chang)(chang)(chang)管狀骨(gu)(gu)，都可(ke)分為一體二端。股骨(gu)(gu)是(shi)(shi)(shi)(shi)人(ren)體最大(da)的長(chang)(chang)(chang)骨(gu)(gu)，指(zhi)(zhi)大(da)腿骨(gu)(gu);肱(gong)骨(gu)(gu)則是(shi)(shi)(shi)(shi)位于上(shang)(shang)臂，又叫(jiao)上(shang)(shang)臂骨(gu)(gu)。故顧名思義，股骨(gu)(gu)長(chang)(chang)(chang)是(shi)(shi)(shi)(shi)大(da)腿骨(gu)(gu)長(chang)(chang)(chang)度，肱(gong)骨(gu)(gu)長(chang)(chang)(chang)則是(shi)(shi)(shi)(shi)指(zhi)(zhi)上(shang)(shang)臂骨(gu)(gu)的長(chang)(chang)(chang)度。

股骨長、肱(gong)(gong)骨長都是預測(ce)胎(tai)(tai)兒(er)體質(zhi)量的胎(tai)(tai)兒(er)生物指標(biao)。不過，胎(tai)(tai)兒(er)肱(gong)(gong)骨長在(zai)預測(ce)胎(tai)(tai)兒(er)體質(zhi)量上優(you)于股骨長。