optic chiasm

1. The cavernous sinus was the most easily involved structure ( 29.4%), followed by optic chiasm ( 21.8%) and clivus ( 14.1%).
   海绵窦是最容易受累的结构（29.4%），其次是视交叉（21.8%）和斜坡（14.1%）。
2. The optic nerve of one male Formosan Rock-monkey was composed of heterogenous nervous components throughout its course form behind the eyeball to the optic chiasm.
   摘要一只台湾公猕猴之视神经，由眼球后方至视交叉含有非均一之神经组织成份。
3. Abnormal shape of optic chiasm with encephalomalacia of the frontal lobe was found in 1 case of trauma.
   外伤1例，表现为视交叉形态异常伴额叶软化灶；
4. I went slowly and looked out through the leaves. Abnormal shape of optic chiasm with encephalomalacia of the frontal lobe was found in 1 case of trauma.
   我小心翼翼地缓缓前进，并从树叶间隙中探视。外伤1例，表现为视交叉形态异常伴额叶软化灶；
5. Four cases of optic gliomas involving optic nerve and optic chiasm, three cases with meningiomas of optic nerve sheath, and 2 cases with retinoblastoma involving optic nerve and optic chiasm showed cranio orbital communicating masses through the optic canal.
   其中9例通过视神经管沟通，包括4例视神经和视交叉胶质瘤、3例视神经鞘脑膜瘤，以及2例视网膜母细胞瘤侵犯视神经和视交叉；
6. Objective: To provide morphological evidences for the reasons of the visual field defect caused by the optic chiasm compressing through saddle area tumors.
   目的：为鞍区肿瘤压迫视交叉引起视野缺损原因提供形态依据。
7. Objective: This study was designed to elucidate the anatomical characteristic of optic chiasm so as to provide anatomical basis on surgery on pituitary tumors.
   目的：研究视交叉的解剖特点，进而为垂体肿瘤切除手术提供解剖学依据。
8. The pituitary gland and stalk, optic nerve and chiasm, circle of Willis and its branches are important nerve and vascular structures.
   重要的神经血管结构有垂体和垂体柄、视神经和视交叉以及Willis环及其分支。
9. Results TTC-dying method showed that the ischemia area was mainly located in the cortex 2~ 4 mm behind the optic chiasm.
   结果：TTC染色显示该模型的缺血区主要位于视交叉后2～4mm脑皮质。
10. The angle between the optic chiasm and the anteroposterior diameter of the foramen magnum was ( 38.3 ± 8.4)°.
    视交叉与枕大孔前后径的夹角为（383±84）°。
11. CONCLUSION: Optic chiasm is the center of chiasmatic cistern, which is surrounded by anterior optical nerves, posterior pituitary handle, and inferior pituitary with sphenoid saddle between them.
    结论：视交叉池内结构以视交叉中心，前续视神经，后邻垂体柄，下隔鞍膈邻脑垂体等；
12. Optic glioma involved intracanal optic nerve and optic chiasm in 6 cases. Optic glioma was associated with neurofibromatosis in 2 cases.
    累及管内段、视交叉6例，2例伴发神经纤维瘤病。
13. 11 of them were gliomas of the optic chiasm which showed enlargement or mass of the optic chiasms with involvement of optic nerves and/ or optic tracts.
    其中胶质瘤11例，表现为视交叉增粗或肿块，伴有视神经或（和）视束受累；
14. The relative cisterns are carotid cistern and optic chiasm cistern;
    相关蛛网膜结构有颈动脉池、视交叉池；
15. In the research of mouse visual system, the Slits guidance molecules were proved that they could repel retinal axons in vivo and involved in axon path-finding, thereby, assisting to define the site in the ventral diencephalon where the optic chiasm forms.
    在小鼠视神经发育的研究中，生长导向因子Slits蛋白被证明其在体内能排斥导向视网膜神经轴突，并且参与形成引导轴突方向的通路来辅助决定间脑腹侧视交叉位置的形成和确定。
16. Other than the 0-degree lens, the 30-degree lens could attain better exposure of sellar structures such as the pituitary, the pituitary gland, the ICA, the optic chiasm, the inferior hypophyseal artery, the tuberculum sellae, and et al.
    0°内镜对鞍内及鞍上暴露欠佳，30°镜头可获得理想的暴露，可清楚的看到垂体、垂体柄、颈内动脉、视交叉、垂体上动脉、鞍结节等结构。
17. The positioning between optic chiasm and the tuberculum sellae was pre-type, normal type and post type.
    视交叉和鞍结节的定位关系主要为：前置型、正常型和后置型。

noun

1. the crossing of the optic nerves from the two eyes at the base of the brain

   Synonym:    optic chiasmachiasma opticum