mentomeckelianadj.n.
/ˌmɛntəʊmɛˈkiːlɪən/, U.S. /ˌmɛn(t)oʊməˈkiliən/ Zoology and Anatomy.
A. adj.
Designating an element of the mandible in certain vertebrates that is formed by ossification of part of Meckel's cartilage.
ΘΚΠ
the world > life > the body > structural parts > bone or bones > skull > parts of skull > [adjective] > bones of mouth
palatomaxillary1782
hyoidean1835
mylohyoidean1838
mylohyoid1839
hyoid1842
hyo-epiglottic1847
hyoidal1852
palatopterygoid1854
palatoquadrate1859
mento-hyoidean1867
hyosternal1870
mentomeckelian1871
hyomandibular1875
hyo-epiglottidean1881
hyoglossal1886
hyoglossian1886
hyoidan1888
prehyoid1949
splanchnocranial1974
1871 W. K. Parker in Philos. Trans. (Royal Soc.) 161 171 In this more advanced condition the chin-end of Meckel's cartilage has been ossified into a ‘mento-meckelian’ rod of bone.
1877 T. H. Huxley & H. N. Martin Course Elem. Biol. (ed. 4) 172 The mento-Meckelian element of the mandible.
1988 Zool. Jrnl. Linn. Soc. 94 247 The mentomeckelian and articular ossifications are well preserved.
B. n.
The mentomeckelian element of the mandible; the mentomeckelian bone.
ΘΚΠ
the world > life > the body > structural parts > bone or bones > skull > parts of skull > [noun] > bones of mouth
os hyoides1578
palatines1623
palate bone1688
hyoid bone1763
tongue-bone1841
palatal bone1842
glossohyal1854
palatopterygoid1854
palatal1859
os hyoideum1869
mentomeckelian1871
postpalatal1871
hyoid1872
hyomandibular1873
interhyal1888
splanchnocranium1907
1871 Philos. Trans. (Royal Soc.) 161 183 The ‘intermaxillary rudiment’ or ‘mento-meckelian’ is permanently small.
1892 J. A. Thomson Outl. Zool. 449 The mento-meckelians seem to arise from two lower labial cartilages.
1925 J. S. Kingsley Vertebr. Skeleton 71 The other cartilage bone is a mentomeckelian, best known in Anura, at the symphysis of the lower jaw.
This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022).
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adj.n.1871