A microtubule--nuclear envelope complex in the spermatozoid of Pteridium.
The microtubules on the outside of the nucleus of the mature spermatozoid of Pteridium form a complex with the envelope, and the perinuclear space is eliminated. These dissimilar components are held firmly together, possibly by hydrophobic bonding. The outer part of the chromatin is also attached to the inner boundary of the envelope, and pulls away when the envelope is detached.
D002467:Cell Nucleus / Q000648:ultrastructure; D002843:Chromatin / Q000648:ultrastructure; D008870:Microtubules / Q000648:ultrastructure*; D009685:Nuclear Envelope / Q000648:ultrastructure*; D010944:Plants / Q000648:ultrastructure*
D002843:Chromatin