Nebenkern [FBbt_00004943]

Mitochondrial mass which is the result of fusion of mitochondria into one structure, found in developing spermatids. At the onion stage, the Nebenkern consists of a densely packed sphere of tightly packed multiple layers of wrapped mitochondrial membranes, that resembles an onion at cross section. At leaf stage, the Nebenkern unfurls to resemble a spear point or leaf blade, and later at comet stage it elongates and splits into two mitochondrial derivatives.
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Nebenkern

ID: FBbt_00004943

Adult Anatomy

Mitochondrial mass which is the result of fusion of mitochondria into one structure, found in developing spermatids. At the onion stage, the Nebenkern consists of a densely packed sphere of tightly packed multiple layers of wrapped mitochondrial membranes, that resembles an onion at cross section. At leaf stage, the Nebenkern unfurls to resemble a spear point or leaf blade, and later at comet stage it elongates and splits into two mitochondrial derivatives.

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## Classification

Relationships