epibranchialadj.n.

/ɛpɪˈbraŋkɪəl/

Etymology: See epi- prefix.

Zoology.

Of or belonging to the segment next below the pharyngobranchial in a branchial arch. As n., this segment.

ΚΠ

1846 R. Owen Lect. Compar. Anat. Vertebr. Animals 116 To the epi-branchial of the second and third arches is commonly attached a shorter and broader bone beset with teeth, the pharyngobranchial.

1877 T. H. Huxley & H. N. Martin Course Elem. Biol. (ed. 4) 119 Two lamellae united by their ventral edges and enclosing a central cavity which opens into a chamber (epibranchial) above.

1892 C. S. Minot Human Embryol. 651 A chain of epibranchial organs.

1893 A. M. Marshall Vertebr. Embryol. 40 Along the mid-dorsal line of the pharynx is a deep epibranchial groove.., lined by a single layer of long columnar ciliated cells.

1921 A. Keith Human Embryol. (ed. 4) 243 At the upper end of each cleft depression there develop remarkable sense-organs, known as the epibranchial placodes.

1929 Q. Jrnl. Microsc. Sci. 72 152 Epibranchial flaps eventually grow downward over the gill-slits of both sides to form the belated atrium.

1946 Nature 12 Oct. 524/1 They open posteriorly at the basal portion of the vertical tube referred to above, which communicates between the epibranchial chamber and the exhalant chamber.

This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018).

单词	epibranchial
释义	epibranchialadj.n. /ɛpɪˈbraŋkɪəl/ Etymology: See epi- prefix. Zoology. Of or belonging to the segment next below the pharyngobranchial in a branchial arch. As n., this segment. ΚΠ 1846 R. Owen Lect. Compar. Anat. Vertebr. Animals 116 To the epi-branchial of the second and third arches is commonly attached a shorter and broader bone beset with teeth, the pharyngobranchial. 1877 T. H. Huxley & H. N. Martin Course Elem. Biol. (ed. 4) 119 Two lamellae united by their ventral edges and enclosing a central cavity which opens into a chamber (epibranchial) above. 1892 C. S. Minot Human Embryol. 651 A chain of epibranchial organs. 1893 A. M. Marshall Vertebr. Embryol. 40 Along the mid-dorsal line of the pharynx is a deep epibranchial groove.., lined by a single layer of long columnar ciliated cells. 1921 A. Keith Human Embryol. (ed. 4) 243 At the upper end of each cleft depression there develop remarkable sense-organs, known as the epibranchial placodes. 1929 Q. Jrnl. Microsc. Sci. 72 152 Epibranchial flaps eventually grow downward over the gill-slits of both sides to form the belated atrium. 1946 Nature 12 Oct. 524/1 They open posteriorly at the basal portion of the vertical tube referred to above, which communicates between the epibranchial chamber and the exhalant chamber. This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018). < adj.n.1846
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