Term Name:	endonuclear canal
Synonyms:
Definition:	A membrane-bound structure present in the nucleus of a spermatozoon. There is variation in the number of endonuclear canals between sperm of different organisms, and some species lack these structures altogether. The endonuclear canal may provide a supporting role for the sperm nucleus, and originates during spermiogenesis from an invagination of the nuclear envelope.
Ontology:	GO: Cellular Component [GO:0035843]    QuickGO    AmiGO