| 释义 |
ˈpostfixed, ppl. a.
1. [f. postfix v. + -ed1.] Affixed at the end of or after a word, root, or stem.
1874Sayce Compar. Philol. vii. 282 The Aryan plural is formed by a postfixed s. 1975Amer. Speech 1969 XLIV. 107 The endings of the English verbs have evolved in a continuing process from earliest Indo-European times, or perhaps more remotely from earliest Proto-Indo-European-Uralic-Altaic (at which time, one may surmise, they represented nothing more than postfixed pronominal forms).
2. Anat. [f. post- A. 2 a + fixed ppl. a.] Of a nerve: connected to the spinal cord relatively caudally. Cf. prefixed, prefixt ppl. a. 3.
1892C. S. Sherrington in Jrnl. Physiol. XIII. 635 A plexus and its trunks and branches will..be referred to as prefixed if containing spinal root-filaments attached to the cord further forward (headward) than are the root-filaments entering the corresponding trunks and branches of a converse class of plexus which will be referred to conversely as postfixed. 1931Proc. R. Soc. B. CVII. 511 In animals with a ‘post-fixed’ sacral plexus this has been done by dividing extradurally the 6th and 7th post-thoracic dorsal roots... In animals with a normal or ‘pre-fixed’ sacral plexus only the 6th post-thoracic dorsal root has been divided.
3. Biol. [f. postfix v. 2 + -ed1.] Treated with a second fixative.
1968Jrnl. Cell Sci. III. 579 The tissue elements in the glutaraldehyde-perfused and OsO4 post-fixed cortex are separated by narrow extracellular spaces. |