乳突竇 的英文怎麼說
中文拼音 [rǔtūdòu]
乳突竇
英文
mastoid antrum-
An anterior sigmoid sinus tend to be observed when the distance between petrous back wall and external auditory canal is shorter. 5. 11 / 40 ( 27. 5 % ) posterior lip of internal acoustic meatus cover facial nerve more than 1 / 3
氣化的乳突其顳骨巖部后骨板與外耳道後壁之間距離較大，外耳道後壁和顳骨巖部后硬腦膜之間距離也反映了乙狀竇前移程度，該距離愈小，乙狀竇愈有前移傾向。The point of occipital insert of the musculus splenius capitus posterior to the mastoid was located inferior and medial to the transverse - sigmoid sinus junction
乳突后頭夾肌枕骨附著處位於橫竇乙狀竇交匯處的下內方。( 2 ) the b point located lateral and inferior to the point c. 5. 8 + 1. 8mm on the horizontal plane, 8. 4 + 0. 8mm on the longitude plane
2乙狀竇水平段和垂直段交點舊點）位於乳突基底水平枕乳縫點u點）的外下方，在橫斷面上平均距離5Methods : the anatomic relationship between the cross point ( a ) of the sigmoid and the transverse sinus and the asterion ( s ), the cross point of the perpendicular and the horizontal ( b ) and point of the fissure of the occipital - mastoid at the fundus of the mastoid ( c ) were determined. then the length of a - s and b - c were measured. results : ( 1 ) the a point was lateral and inferior to the asterion, 10. 8 + 1. 1 mm on horizontal plane, 3. 5 + 0. 7mm on the longitude plane
方法：確定橫竇和乙狀竇的交界內下緣比點）和星點（枕乳縫和人字縫交叉點， s點）的解剖關系；乙狀竇垂直部和水平部交匯處內下緣舊點）和枕乳縫乳突基底水平處點）的關系。測量as和b c點的距離。結果： l橫竇和乙狀竇交點的位於星點外下方，橫斷面上，平均距離為10Conclusion : in the craniotomy of the retrosigmoid approach, the lateral two hole should devised lateral and inferior to the asterion and fissure of the occipital - mastoid at the fundus of mastoid. it is a safe and fast drilling method
N 、 t擴大乙狀竇后經內耳孔上入路顯微外科解剖學系列研究中文揚要枕乳縫乳突基底外下方為鉆孔點是安全、快速的方法。分享友人