chiasma

基本解释

Chiasma (pl.chiasmata) A connection between homologous chromosomes seen during the prophase stage of meiosis.
交叉：在细胞减数分裂的前期，同源染色体之间形成的接触点。
Conclusion The cause of lost vision was accidental injury of the optic nerve or the optic chiasma during s...
结论术后视力下降可能为鞍区肿瘤经颅手术误伤视神经或视交叉所致。
Certainly, elects specialized also to choose segmentations as far as possible, the type of chiasma, the practical specialty.
当然，选专业还要尽量选一些细分型、交叉型、实用型专业。
From the time since humans have had consciousness, the two categories have had the relationship of chiasma and penetration.
所以自古以来就在两者之间有了一种交叉互渗的联系。
Results Orbit tumor of a 21 year old young lady extends the encephalic and endangers the olfactory nerve and optic chiasma, even cause olfaction and visual acuity to be declined.
结果1例21岁女性患者,眼眶肿瘤侵入颅内损伤嗅神经及视交叉,引起嗅觉及视力下降。