| 释义 |
Lieberkühn Optics.|ˈliːbəkyːn|
Also -kuehn.
[Named after the inventor J. N. Lieberkühn (1711–56), an anatomist of Berlin.]
1. A silver concave reflector fixed on the object-glass end of a microscope to bring the light to focus on an opaque object.
1867J. Hogg Microsc. i. ii. 58 Illuminated by a combination of the parabola and a flat Lieberkuhn.
2. Anat. The name of Lieberkühn used with of-adjunct, or occas. in the possessive, to designate the Lieberkühnian follicles or glands, as crypts, follicles, or glands of Lieberkühn.
1844Dunglison Dict. Med. Sci. (ed. 4) 420/2 Lieberkuehn's glands or follicles. 1859R. B. Todd Cycl. Anat. & Physiol. V. 346/2 The intestinal tubes—or, as they are commonly called, the follicles of Lieberkuehn—are the first to demand our notice. 1866G. Harley Histol. Demonstr. 114 The arrangements of the various coats, and also the villi and Lieberkühn's follicles, can be seen under a low power. 1949Adams & Eddy Compar. Anat. xi. 278 The glands of Lieberkühn, which supply the succus entericus, have their openings at the bases of the villi. 1970C. K. Weichert Anat. Chordates (ed. 4) v. 189/2 The intestinal wall contains myriads of intestinal glands which are of two main types. The first of these are the simple tubular glands, or crypts, of Lieberkühn, found throughout the entire length of the small and large intestines. |