Cytoplasmic nucleolus-like inclusions (nematosomes) in spinal ganglia neurons of dog.
Intracytoplasmic nucleolus-like inclusions or nematosomes in spinal ganglia neurons of dog were studied by electron microscopy. In large light neurons several types of nematosomes can be identified. All types of the inclusions are non-membrane bound and composed of filamentous or granular aggregates. Nematosomes are mostly localized in the peripheral zone of cytoplasm. The mechanism of formation and functional significance of nematosomes is not fully clarified. The presence of ribosomes and cisterns of endoplasmic reticulum in their vicinity suggests some relation to proteosynthesis; they probably represent sites of protein storage.
D000818:Animals; D002466:Cell Nucleolus / Q000648:ultrastructure*; D003594:Cytoplasmic Granules / Q000648:ultrastructure; D003599:Cytoskeleton / Q000648:ultrastructure; D004285:Dogs / Q000033:anatomy & histology*; D005260:Female; D005727:Ganglia, Spinal / Q000033:anatomy & histology*; D002479:Inclusion Bodies / Q000648:ultrastructure*; D008297:Male; D008854:Microscopy, Electron; D009474:Neurons / Q000648:ultrastructure