| 释义 |
amacrine, n. and a. Histol.|ˈæməkrɪn|
Also (rare) -in.
[f. a- 14 + Gr. µακρός macro- + ἴς, ἰν-ός sinew, strip (cf. ino-).]
A. n. An amacrine cell (see B below).
1900Dorland Med. Dict. 34/2 Amacrine, any one of a group of branched retinal structures regarded as modified nerve-cells. 1901Gray's Anat. (ed. 15) 816 (caption) Large amacrine with thick processes ramifying in second stratum. 1930Maximow & Bloom Text-bk. Histol. xxxv. 746 The diffuse amacrins send out a bundle of branching processes which permeate all parts of the inner reticular layer. 1964[see multipolar a. a].
B. adj. Designating a type of small nerve cell in the inner nuclear layer of the retina which has neurites with characteristics of both axons and dendrites.
1901Gray's Anat. (ed. 15) 816 At the innermost part of this inner nuclear layer is a stratum of cells, which are named by Cajal amacrine cells, from the fact that they have no axis-cylinder process. 1923A. Duane tr. Fuchs's Text-bk. Ophthalmol. (ed. 7) v. 42 (caption) Layer of amacrine cells (spongioblasts). 1974D. & M. Webster Compar. Vertebr. Morphol. x. 212 These are the horizontal cells and the small amacrine nerve cells that connect distal portions of the bipolar cells. |