karyotheca
Also found in: Dictionary, Encyclopedia.
karyotheca
[kar″e-o-the´kah]the nuclear membrane.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
nu·cle·ar en·ve·lope
the double membrane at the boundary of the nucleoplasm; it has regularly spaced pores covered by a disclike nuclear pore complex and a space or cisterna about 150 Ǻ wide between the two membranes; the outer membrane is continuous at intervals with the rough endoplasmic reticulum.
Farlex Partner Medical Dictionary © Farlex 2012