mesocoracoidn.adj.
/ˌmɛsə(ʊ)ˈkɔːrəkɔɪd/, /ˌmɛsə(ʊ)ˈkɒrəkɔɪd/, U.S. /ˌmɛzoʊˈkɔrəˌkɔɪd/, /ˌmɛzoʊˈkɑrəˌkɔɪd/; see also meso- comb. form. Ichthyology.
A. n.
In some teleostean fishes: a bone situated between and bridging the hypercoracoid and hypocoracoid bones.
ΘΚΠ
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
1868 W. K. Parker Monogr. Struct. & Devel. Shoulder-girdle & Sternum Vertebrata 8 The middle bar, which underprops the middle glenoid facet, is the ‘meso-coracoid’.
1885 Amer. Naturalist 19 315 In the Physoclisti the mesocoracoid is suppressed.
1903 Science 13 Feb. 256/2 The mesocoracoid disappears in most fishes, all the acanthopterygians and offshoots from that stock being deprived of that ossicle.
1986 Japanese Jrnl. Ichthyol. 32 419/1 The mesocoracoid originates from the coraco-scapular cartilage and becomes independent of it in the course of ossification.
B. adj.
Of or relating to this bone.
ΘΚΠ
the world > animals > fish > parts of fish > [adjective] > of bones > of the nature or form of specific bones
suboperculiform1852
interopercular1854
mesocoracoid1868
supraclavicular1868
post-temporal1870
1868 W. K. Parker Monogr. Struct. & Devel. Shoulder-girdle & Sternum Vertebrata 152 A short curved meso-coracoid process.
1904 Amer. Naturalist 38 598 The Haplomi have lost the mesocoracoid bone.
1931 E. G. Boulenger Fishes ix. 82 Pike. Order Haplomi: The name of this Order means literally ‘simple-shoulder’, and refers to the absence of a bone known as the mesocoracoid arch.
1964 Philos. Trans. (Royal Soc.) B. 247 242 Pantodon has a mesocoracoid arch and parasphenoid teeth, both very primitive features.
This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022).
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n.adj.1868