fibrous body-membranous organelle
A Golgi-derived organelle that forms in primary spermatocytes during spermatogenesis of some nematodes including C. elegans. This 'double organelle' consists of a fibrous body containing major sperm protein and a membranous organelle that envelops the developing fibrous body.
GO:0043231
intracellular membrane-bounded organelle
is_a
FB-MO
exact