a proventriculus嗜腺胃
the proventriculus前胃黏膜
proventriculus cancerization前胃癌变
Proventriculus strain腺胃株
swollen proventriculus腺胃肿大
proventriculus proventricle前胃
proventriculus musoca前胃黏膜
proventriculus posterior[动] 后前胃
proventriculus anterior[动] 前前胃
N（名词） the first part of the stomach of birds, the gizzard (鸟的)前胃; 砂囊