白梨：乔木，高达5-8m。树冠开展；小枝粗壮，幼时有柔毛；二年生的枝紫褐色，具稀疏皮孔。
本文报道了梨杂交后代叶、花和抗病性等的遗传现象。
This paper reports the inheritance of some characters of the leaf, flower, and disease resistance in pear hybrids.
他们还评估了病人和对照之间，梨状叶和岛叶皮质在功能上的联系有无差别。
They also evaluated whether the functional connectivity of the piriform and insular cortex differed between patients and controls;
胆囊梨状小肌肉囊，位于肝右叶下侧，在其中储存肝脏分泌的胆汁一直到消化时供给身体使用。
A small, pear-shaped muscular sac, located under the right lobe of the liver, in which bile secreted by the liver is stored until needed by the body for digestion.
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