foramen magnum

foramen magnum的基本解释

-

大孔

-

后头孔

-

枕骨大孔

与foramen magnum相关的网络例句 [注：此内容来源于网络，仅供参考]

objective to study the diagnosis and operative treatment of foramen magnum tumors.methods the clinical presentations,mri images, operative technique and prognosis of 9 cases with tumors of the foramen magnum were analyzed retrospectively.results 5 cases got total removal, 3 cases got subtotal removal, and 1 case got partial removal.conclusion acquaintance with anatomy of foramen magnum region,microsurgical technique,suitable surgical approach and post--operative management are closely related with the therapeutic effect.

目的 研究枕大孔区肿瘤的诊断与手术疗效。方法回顾性分析9例枕大孔区肿瘤的临床表现和mri影像，手术技巧和预后。结果全切5例，次全切3例，部分切除1例。结论熟悉枕大孔区解剖，运用显微外科技术，选择合适手术入路，注重术后处理，都与疗效密切相关。

Results In 84 cases of nerve root type,stenosis was found in 438 intervertebral foramen,of which C6～7 and C5～6 intervertebral foramen stenosis accounted for 79.6%.The causes of intervertebral foramen stenosis were uncinate process articulation hyperosteogeny,intervenebral disc protrusion,vertebral body hypertrophy,zygapophysis hyperosteogeny and dislocation etc.40 cases of vertbral artery type manifested that vertbral artery became slim and deviousness as a result of the compression of vertbral artery （20.7%） by osteophyte.22 cases of myeloid type manifested with cervical spinal canal stenosis,hyperosteogeny of posterior vertebral body edge,posterior longitudinal ligament calcification and cervical intervertebral disc protrusion etc.

结果 84例神经根型中，发现椎间孔狭窄438处，其中C5～6和C6～7椎间孔狭窄占79.6%，椎间孔狭窄的成因有钩突关节骨质增生、椎间盘突出、椎体肥大、小关节突骨质增生、错位等；40例椎动脉型表现为骨赘压迫椎动脉（52.5%），导致椎动脉变细、粗细不均和椎动脉迂曲。22例脊髓型表现为颈椎椎管狭窄、椎体后缘骨质增生、后纵韧带钙化、椎间隙狭窄和颈椎间盘突出等。

Abstract］ Background and purpose:The imaging of the skull base is challenging in nasopharyngeal carcinoma, through studying visualization and the appearance of foramen ovale,foramen rotundum,foramen spinosum,hypoglossal canal and nerve which can be identified on registration of CT and MRI for nasopharyngeal carcinoma, in order to define the target volume of nasopharyngeal carcinoma in radiotherapy planning.

为明确MRI对鼻咽癌颅底区域靶区显示的情况，分析无颅神经侵犯鼻咽癌患者的CT、MRI，比较圆孔、卵圆孔、棘孔、舌下神经管及舌下神经CT、MRI的显示情况和影像表现，探讨圆孔、卵圆孔及棘孔、舌下神经管及舌下神经在鼻咽癌放射治疗靶区勾画的意义。

与foramen magnum相关的网络解释 [注：此内容来源于网络，仅供参考]

Foramen magnum：枕骨大孔

它们的头颅骨与嵴轴与叉龙科、梁龙科相比较为原始,而不能归类于这两个演化支. 这种草食性恐龙与叉龙科的差别在于未固定的额骨,与梁龙科的差别在枕骨大孔(Foramen magnum)周围骨头的排列方式,但春雷龙与梁龙科拥有较多的相似处.

Foramen magnum：大孔

尤其有意义的是他可以「直立行走」,因为他的枕骨大孔(foramen magnum)的位置比较靠前,不像其他四足行走的动物枕骨大孔是在头骨的后方,这显示他跟尼安德塔人、北京人、爪哇人一样是腰杆(脊柱)直起来,用双足行走的.

Foramen magnum：枕骨大孔 - 小孔

枕骨 - Os occipitale | 枕骨大孔 - 小孔 - Foramen magnum | 枕髁 - Condylus occipitalis

Foramen magnum：枕大孔

07.0313 内淋巴管孔 aperture of endolymphatic duct | 07.0314 枕大孔 foramen magnum | 07.0315 枕髁 occipital condyle

occipital foramen magnum：枕骨大孔

枕鳞 occipital squama | 枕骨大孔 occipital foramen magnum | 基底部 basilar part