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sperm principal piece

Term Information

Accession
GO:0097228
Name
sperm principal piece
Ontology
cellular_component
Synonyms
None
Alternate IDs
None
Definition
The segment of the sperm flagellum where the mitochondrial sheath ends, and the outer dense fibers (ODFs) associated with outer axonemal doublets 3 and 8 are replaced by the 2 longitudinal columns of the fibrous sheath (FS) which run the length of the principal piece and are stabilized by circumferential ribs. The principal piece makes up ~2/3 of the length of the sperm flagellum and is defined by the presence of the FS and of only 7 (rather than 9) ODFs which taper and then terminate near the distal end of the principal piece. Source: MP:0009836, GOC:cjm
Comment
None
History
See term history for GO:0097228 at QuickGO
Subset
None
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Parents of sperm principal piece (GO:0097228)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
sperm principal piece [is_a relation] is_a  cellular anatomical entity (GO:0110165)
sperm principal piece [BFO:0000050 relation] BFO:0000050  sperm flagellum (GO:0036126)

This term has no children.

None.