subumbrellan.

Brit.

/ˈsʌbʌmˌbrɛlə/, U.S.

/ˈsəbəmˌbrɛlə/

Origin: Formed within English, by derivation. Etymons: sub- prefix, umbrella n.

Etymology: < sub- prefix + umbrella n. Compare German Subumbrella (1854 or earlier), scientific Latin subumbrella (1882 or earlier), both < English.

Zoology.

The internal ventral or oral disk of a hydrozoan; the concave muscular layer beneath the umbrella of a medusa or jellyfish.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Hydrozoa > member of > disk

subumbrella1844

the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Acalepha > member of (jelly-fish) > parts of > umbrella > layer beneath

subumbrella1888

1844 Trans. Microsc. Soc. 1 24 The subumbrella is composed for the most part of a muscular expansion, lined internally by a delicate membrane.

1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 248 Scattered ganglion cells in connection with this [inner nerve] ring lie in the ectoderm of the sub-umbrella.

1916 H. S. Pratt Man. Invertebr. Animals 88 Tentacles may be present on the manubrium,..on the subumbrella or the exumbrella, and may be long or short and flexible or rigid.

1940 L. H. Hyman Invertebrates I. vii. 373 The convex aboral surface is called the exumbrella, the concave oral surface, the subumbrella.

2005 Biol. Bull. 209 154/1 The subumbrella is lined with a sheet of circular, striated muscle.

Derivatives

subumˈbrellar adj. beneath, or on the underside of, the umbrella of a medusa.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [adjective] > of class Hydrozoa > relating to swimming bell > beneath the umbrella

subumbrellar1865

1865 Ann. & Mag. Nat. Hist. 15 466 The subumbrellar furrows do not exist in those of S. eximia.

1960 D. C. Braungart & R. Buddeke Introd. Animal Biol. (ed. 5) vii. 94 There is a narrow, circular, shelflike membrane..that partly closes the opening leading into the subumbrellar cavity.

2005 Biol. Bull. 209 155/2 The rhopalium is connected to the subumbrellar tissue by a rhopalial stalk.

This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).

单词	subumbrella
释义	subumbrellan. Brit. /ˈsʌbʌmˌbrɛlə/, U.S. /ˈsəbəmˌbrɛlə/ Origin: Formed within English, by derivation. Etymons: sub- prefix, umbrella n. Etymology: < sub- prefix + umbrella n. Compare German Subumbrella (1854 or earlier), scientific Latin subumbrella (1882 or earlier), both < English. Zoology. The internal ventral or oral disk of a hydrozoan; the concave muscular layer beneath the umbrella of a medusa or jellyfish. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Hydrozoa > member of > disk subumbrella1844 the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Acalepha > member of (jelly-fish) > parts of > umbrella > layer beneath subumbrella1888 1844 Trans. Microsc. Soc. 1 24 The subumbrella is composed for the most part of a muscular expansion, lined internally by a delicate membrane. 1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 248 Scattered ganglion cells in connection with this [inner nerve] ring lie in the ectoderm of the sub-umbrella. 1916 H. S. Pratt Man. Invertebr. Animals 88 Tentacles may be present on the manubrium,..on the subumbrella or the exumbrella, and may be long or short and flexible or rigid. 1940 L. H. Hyman Invertebrates I. vii. 373 The convex aboral surface is called the exumbrella, the concave oral surface, the subumbrella. 2005 Biol. Bull. 209 154/1 The subumbrella is lined with a sheet of circular, striated muscle. Derivatives subumˈbrellar adj. beneath, or on the underside of, the umbrella of a medusa. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [adjective] > of class Hydrozoa > relating to swimming bell > beneath the umbrella subumbrellar1865 1865 Ann. & Mag. Nat. Hist. 15 466 The subumbrellar furrows do not exist in those of S. eximia. 1960 D. C. Braungart & R. Buddeke Introd. Animal Biol. (ed. 5) vii. 94 There is a narrow, circular, shelflike membrane..that partly closes the opening leading into the subumbrellar cavity. 2005 Biol. Bull. 209 155/2 The rhopalium is connected to the subumbrellar tissue by a rhopalial stalk. This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022). < n.1844
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