branchiostegal ray

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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