cephalochordaten.adj.

Brit.

/ˌkɛf(ə)ləʊˈkɔːdeɪt/,

/ˌkɛf(ə)ləʊˈkɔːdət/, U.S.

/ˌsɛfəloʊˈkɔrdət/,

/ˌsɛfəloʊˈkɔrˌdeɪt/; see also cephalo- comb. form

Origin: Formed within English, by compounding. Etymons: cephalo- comb. form, chordate adj.

Etymology: < cephalo- comb. form + chordate adj., after Cephalochordata n.

Zoology.

A. n.

An animal of the subphylum Cephalochordata; a lancelet.

ΘΚΠ

the world > animals > chordates > [noun] > amphioxus or lancelet

Amphioxus1836

lancelet1836

cephalochordate1904

1904 G. H. Parker Maldive Cephalochordates 39 It is perhaps premature, in view of the rapidly increasing number of species, to discuss at any length the classification of the cephalochordates.

1960 J. H. King & J. W. Nichols in R. H. Waters et al. Princ. Compar. Physiol. ii. 29 The larva of a urochordate (an immobile form of chordate) is strikingly similar to the adult amphioxus (a cephalochordate), which is the lowest chordate resembling the vertebrates.

1999 Nature 4 Nov. 22/3 Chevron-shaped muscle blocks also occur in cephalochordates (the closest living relatives of vertebrates).

B. adj.

Of or relating to the subphylum Cephalochordata.

ΚΠ

1938 H. S. Rao in B. Prashad Progr. Sci. India xii. 373 Franz..proposed an exhaustive systematic revision of the Cephalochordate genera Branchiostoma and Asymmetron.

1968 BioScience 18 878/2 Some cephalochordate species may aggregate simply by being carried to appropriately coarse bottom deposits where they would burrow in and remain.

2002 S. J. Gould Struct. Evolutionary Theory x. 1170 Amphioxus, the modern cephalochordate surrogate for an ancestral form, has only one Hox cluster, while gnathostome vertebrates have four.

This entry has been updated (OED Third Edition, September 2009; most recently modified version published online December 2021).

单词	cephalochordate
释义	cephalochordaten.adj. Brit. /ˌkɛf(ə)ləʊˈkɔːdeɪt/, /ˌkɛf(ə)ləʊˈkɔːdət/, U.S. /ˌsɛfəloʊˈkɔrdət/, /ˌsɛfəloʊˈkɔrˌdeɪt/; see also cephalo- comb. form Origin: Formed within English, by compounding. Etymons: cephalo- comb. form, chordate adj. Etymology: < cephalo- comb. form + chordate adj., after Cephalochordata n. Zoology. A. n. An animal of the subphylum Cephalochordata; a lancelet. ΘΚΠ the world > animals > chordates > [noun] > amphioxus or lancelet Amphioxus1836 lancelet1836 cephalochordate1904 1904 G. H. Parker Maldive Cephalochordates 39 It is perhaps premature, in view of the rapidly increasing number of species, to discuss at any length the classification of the cephalochordates. 1960 J. H. King & J. W. Nichols in R. H. Waters et al. Princ. Compar. Physiol. ii. 29 The larva of a urochordate (an immobile form of chordate) is strikingly similar to the adult amphioxus (a cephalochordate), which is the lowest chordate resembling the vertebrates. 1999 Nature 4 Nov. 22/3 Chevron-shaped muscle blocks also occur in cephalochordates (the closest living relatives of vertebrates). B. adj. Of or relating to the subphylum Cephalochordata. ΚΠ 1938 H. S. Rao in B. Prashad Progr. Sci. India xii. 373 Franz..proposed an exhaustive systematic revision of the Cephalochordate genera Branchiostoma and Asymmetron. 1968 BioScience 18 878/2 Some cephalochordate species may aggregate simply by being carried to appropriately coarse bottom deposits where they would burrow in and remain. 2002 S. J. Gould Struct. Evolutionary Theory x. 1170 Amphioxus, the modern cephalochordate surrogate for an ancestral form, has only one Hox cluster, while gnathostome vertebrates have four. This entry has been updated (OED Third Edition, September 2009; most recently modified version published online December 2021). < n.adj.1904
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