branchiostegal

[brang-kee-os-ti-guhl] Ichthyology.
noun
1.
Also called branchiostegal ray. one of the long, curved bones just below the operculum, supporting the gill membranes.
adjective
2.
of or pertaining to the branchiostegals.

Origin:
1740–50; branchio- + steg(o)- + -al1

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World English Dictionary
branchiostegal (ˌbræŋkɪəˈstiːɡəl)
 
adj
zoology of or relating to the operculum covering the gill slits of fish: branchiostegal membrane; branchiostegal rays
 
[from branchia + Greek stegos roof]

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Example sentences
Tests on gill raker and branchiostegal counts will be conducted when those counts are completed.
Pelvic fin ray counts are six per side in all seven species and branchiostegal ray counts are seven per side.
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