词族 · papilla
词形变化
派生词
中文词源
papilla 乳头
来自拉丁语papilla,小乳头，来自pap,乳头，-illa,小词后缀。
英语词源
- papilla (n.)
- plural papillae, 1690s, "nipple," from Latin papilla "nipple," diminutive of papula "swelling" (see pap (n.2)). Meaning "nipple-like protuberance" attested from 1713.
权威例句
- 1. 75 % of postbulbar ulcers occur proximal to the duodenal papilla.
- 75%的球后溃疡发生在十二指肠乳头近侧.
- 2. The fovea has only cones, and the blind spot or papilla has no receptors.
- 中央凹的部分只有锥细胞, 而盲点或神经乳头部分无视细胞.
- 3. The papilla shows initially sickle - shaped and later annular atrophy.
- 视乳头初始表现为病理形态,后来表现为环状萎缩.
- 4. Uncle Bill named this protein BPP for basilar papilla protein.
- 比尔叔叔将此蛋白质命名为BPP, 意思是指基底乳头蛋白.
- 5. Methods Dental papilla cells cultured in vitro and stained by immunohistochemistry and by crystal of calcium.
- 目的观察体外培养的大鼠第一磨牙牙乳头细胞的生物学特征.