metapophysisn.

Brit.

/mɛtəˈpɒfᵻsɪs/, U.S.

/ˌmɛdəˈpɑfəsəs/

Inflections: Plural metapophyses.

Origin: Formed within English, by derivation. Etymons: meta- prefix, apophysis n.

Etymology: < meta- prefix + apophysis n. Compare earlier neurapophysis n. and slightly later haemapophysis n. Compare also the parallel formations anapophysis n., diapophysis n., hypapophysis n., parapophysis n., pleurapophysis n., and zygapophysis n.

Zoology and Anatomy.

An accessory process or prominence on certain vertebrae; (Anatomy) a rounded prominence on the superior articular process of the lumbar and twelfth thoracic vertebrae (also called mammillary process).

ΚΠ

1848 R. Owen in Proc. Zool. Soc. 16 131 The only accessory process in addition to the ordinary zygapophyses and diapophyses is the metapophysis, which appears as a stout tubercle above the diapophysis in the middle dorsals.

1873 St. G. Mivart Lessons Elem. Anat. ii. 46 But in some Chameleons..a prominence is developed from each prozygapophysis, which may be a metapophysis.

1939 T. L. Green Pract. Animal Biol. i. 154 The processes are extended beyond the articular facets to form the metapophyses.

1964 T. J. Parker & W. A. Haswell Text-bk. Zool. (ed. 7) II. 656 The metapophyses are situated in front, projecting forwards and outwards over the prezygapophyses.

1997 Contrib. Mus. Paleontol. Univ. Michigan 30 59 Metapophyses arise from the pedicles as thick protuberances of bone that project in an anterolateral direction.

This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).

单词	metapophysis
释义	metapophysisn. Brit. /mɛtəˈpɒfᵻsɪs/, U.S. /ˌmɛdəˈpɑfəsəs/ Inflections: Plural metapophyses. Origin: Formed within English, by derivation. Etymons: meta- prefix, apophysis n. Etymology: < meta- prefix + apophysis n. Compare earlier neurapophysis n. and slightly later haemapophysis n. Compare also the parallel formations anapophysis n., diapophysis n., hypapophysis n., parapophysis n., pleurapophysis n., and zygapophysis n. Zoology and Anatomy. An accessory process or prominence on certain vertebrae; (Anatomy) a rounded prominence on the superior articular process of the lumbar and twelfth thoracic vertebrae (also called mammillary process). ΚΠ 1848 R. Owen in Proc. Zool. Soc. 16 131 The only accessory process in addition to the ordinary zygapophyses and diapophyses is the metapophysis, which appears as a stout tubercle above the diapophysis in the middle dorsals. 1873 St. G. Mivart Lessons Elem. Anat. ii. 46 But in some Chameleons..a prominence is developed from each prozygapophysis, which may be a metapophysis. 1939 T. L. Green Pract. Animal Biol. i. 154 The processes are extended beyond the articular facets to form the metapophyses. 1964 T. J. Parker & W. A. Haswell Text-bk. Zool. (ed. 7) II. 656 The metapophyses are situated in front, projecting forwards and outwards over the prezygapophyses. 1997 Contrib. Mus. Paleontol. Univ. Michigan 30 59 Metapophyses arise from the pedicles as thick protuberances of bone that project in an anterolateral direction. This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022). < n.1848
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