varicose fibers meaning in English

念珠状纤维

All neuropil regions of optic lobe , the lamina , medulla and lobula , contain 5 - ht immunoreactive varicose fibers , which are distinct in morphology and degree of staining
结果发现， 5 - ht分布很丰富，阳性纤维起源于少量的细胞体，但分布广泛，呈现明显的静脉曲张状。
All olfactory glomeruli are labeled and many 5 - ht immunoreactive varicose fibers scattered within the center region of the olfactory lobe . only one pair of neurons are labeled in antennal lobes
粗大的内触角脑通路和外触角脑通路染色较浅，仅细小的中触角脑通路呈阳性反应。