hypuraladj.n.
/hɪˈpjʊərəl//hʌɪˈpjʊərəl/ Situated beneath the tail; spec. in Ichthyology applied to the bones beneath the axis of the tail, which support fin-rays. Also absol. as n.
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the world > animals > fish > parts of fish > [noun] > bones (various types of)
grate1481
pharyngeal1791
suboperculum1818
supratemporal1834
shackle-joint1837
mastoid1840
wrist1840
mastoid bone1841
subopercular1841
mesotympanic1846
suprascapula1846
hypobranchials1848
hypotympanic1848
urohyal1848
radius1854
epicentral1866
pterotic1866
mesocoracoid1868
supraclavicle1868
precoracoid1869
symplectic1870
hypural1871
mesopterygoid1871
post-temporal1871
postclavicle1872
brachial1873
urostyle1875
hypercoracoid1876
admaxillary1885
intercalarium1887
palatopterygoquadrate1888
subtectal1888
Weberian apparatus1889
Weberian ossicles1889
radial1890
supracleithrum1903
1871 T. H. Huxley Man. Anat. Vertebrated Animals i. 16 In most osseous fishes the hypural bones which support the fin-rays of the inferior division [of the tail] become much expanded.
1880 A. Günther Introd. Study of Fishes 84 The hypural is but a union of modified hæmapophyses.
This entry has not yet been fully updated (first published 1899; most recently modified version published online June 2018).
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adj.n.1871