| 释义 |
out-ˈpocketing, vbl. n. Biol.
[out- 9.]
The outward movement of part of a surface so as to form a pocket- or sac-like cavity.
1924L. B. Arey Developmental Anat. i. 8 Circumscribed folds..produce (a) evaginations, or out-pocketings, and (b) invaginations, or in-pocketings. 1968Progress in Brain Res. XXIX. 55 Portions of the outer nuclear envelope..could project into the cytoplasm and pinch off... Out-pocketings of the outer nuclear envelope are frequently seen in early neuroepithelial cells. 1971Nature 16 Apr. 472/2 The glands arise as an outpocketing of the vagina. |