下直肌

下直肌支有2～5条分支，入肌点多在肌的后1/3部。

There were 2 ~ 5 branches which entered inferior rectus muscle .

下直肌显示形状为自眶后向前圆滑的椭圆形，易误诊为肿瘤。

The image of inferior rectus muscle seemed like smooth spheroid from backward to forward , which tended to misdiagnose as tumor .

材料与方法：分别测量100例和80例冠状和横轴CT扫描双眼内、外、上、下直肌及上斜肌横径和高径。

Materials and methods : The transverse diameter and height of extraocular muscles of both eyes were measured in 100 cases with coronal and 80 cases with axial CT scans .

B组与正常对照组内直肌、上直肌、下直肌pulley的位点比较无显著性差异（P>0.05）；

Results In group A , all rectus Pulley function locations have no statistically significant difference compared with normal control ( P > 0.05 ) .

水平位扫描上、下直肌Pulley结构不清。

But the images of superior rectus muscle pulley and inferior rectus muscle pulley were unclear by horizontal scanning .

沿外直肌和下直肌起点之间切开Zinn腱环。

Between lateral rectus and the origin of inferior rectus muscle .

在下直肌动眼运动神经元（IROMN）池中给予电刺激可使FFH神经元产生逆行兴奋。

Stimulation of the OMN pool innervating the inferior rectus ( IR ) muscle activated FFH neurons antidromically .

经下直肌后退术治疗的眼肌炎症后周期性垂直斜视1例

Cyclic vertical deviation after ocular myositis and treatment by recession of the inferior rectus muscle

结论外直肌与上、下直肌联合术可使眼球有一定的外展功能。

Conclusion The muscle union of lateral , superior and inferior rectus make eyeball move abductively .

应用上、下直肌联结术治疗3例麻痹性内斜视病例报告

A report on three cases of paralytic esotropia treated by union of the superior , lateral and inferior rectus muscle

如去除眶上裂的外缘，还可经外直肌与下直肌间进入眶上裂的中央区。结论熟悉眶上裂的解剖及其手术入路有助于该区的手术。

Conclusion It is very necessary to master the anatomy of the superior orbital fissure and the surgical approach in the operation of this region .

目的观察下直肌牵引及单纯巩膜外垫压不放液手术治疗上方孔源性视网膜脱离的临床效果。

Objective To observe the effect of pre-operative traction of rectus and cryotherapy and scleral encircling or scleral bucking without drainage the subretinal fluid in rhegmatogenous retinal detachment .

结论肌炎型是特发性眼眶炎性假瘤中较少见的临床亚型之一，以上直肌受累最常见，其次为外直肌、内直肌与下直肌。

Conclusions Myositis was one of the uncommon clinical subtypes of IOIP , Superior rectus was the most involved muscle , followed by lateral , medial and inferior rectus .

内直肌嵌入筛窦，下直肌嵌入上颌窦，在眶内容还纳复位后分别用天然珊瑚人造骨板修复骨孔。

For those who had medial rectus muscle impacted into the ethmoid sinus or inferior rectus muscle impacted into the maxillary sinus , the bone was repaired with hydroxyapatite bone plates .

方法去除角膜上皮，将心脏涤纶补片置于眼球前面，在4个象限分别固定于巩膜表面，上、下直肌对端缝合固定于涤纶补片中央，再行全结膜瓣遮盖。

Methods After removing epithelium , heart Dacron graft was covered to the anterior surface and was sutured to sclera at each quadrants , the superior and inferior recti muscle sutured to the center of Dacron .

结果：眼直肌的动脉主干可分为单干、双干和三干三种类型，上、下、外直肌动脉多为单干型，分别占53.3%、91.7%、68.3%。

Result : The trunk of rectus muscular artery was divided into single stem type , double stem type and three stem type .

目的探讨术前运用高分辨率彩色多普勒血流成像技术（CDFI）检测腹壁上、下血管对腹直肌肌皮瓣覆盖胸壁放射性溃疡的价值。

Objective To investigate the value of preoperative color Doppler flow imaging ( CDFI ) in the treatment of radioactivity ulcer with rectus abdominis myocutaneous flap .

结论表面麻醉下不做上直肌固定缝线进行小梁切除术，安全适用、方法可靠。

Conclusion Trabeculectomy under topical anesthesia and without superior rectus muscle suturing is safe and reliable .

动眼神经下干分出内直肌支、下直肌支和下斜肌支。

Inferior division of oculomotor nerve branched into medial rectus , superior rectus and superior oblique muscles .

内壁骨折极少引起内直肌嵌顿，下壁骨折中下直肌嵌夹及疝出则常见；

Incarceration and herniation were few in medial orbital wall fracture , but often in orbital floor fracture ;

外展神经入肌点有动脉伴行者占86.67%，上下3等分外直肌的肌腹，入肌点在肌的中1/3份者66.67%；

There were arteries where the abducent nerves went into lateral rectus muscle s ( 86.67 % ) . If the belly of lateral rectus muscle was divided into three superior-inferior parts , nerve entered into middle one third commonly ;

垂直斜视角>25△者，除上、下斜肌手术外，若麻痹眼为主眼，则同时选择对侧下直肌后徙术；

If the vertical deviation is greater than 25 △, the inferior oblique muscle weakening or superior oblique muscle tuck combined with contralateral inferior rectus recession or ipsilateral superior rectus muscle recession was performed .