pallor

n.

（脸色等的）苍白，灰白；

1. She had a ghastly pallor.
   她脸色苍白难看。
2. A blush drove the pallor from her face.
   一阵红晕赶走了她脸上的苍白。

Skin pallor and blush monitor
Cupping and pallor of the optic disc
Pallor of the Optic Disc: Quantitative Photographic Evaluation
Pallor as a clinical sign of severe anaemia in children: an investigation in the Gambia
The Relation of Conjunctival Pallor to the Presence of Anemia
The histologic basis of optic disk pallor in experimental optic atrophy.
Detection of increased pallor over time. Computerized image analysis in untreated ocular hypertension
Optociliary veins, disc pallor and visual loss. A triad of signs indicating spheno-orbital meningioma
Quantitative study of optic nerve head capillaries in experimental optic disk pallor.
The reproducibility of computerized boundary analysis for measuring optic disc pallor in the normal optic disc.