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单词 homotype
释义

homotypen.

/ˈhɒməʊtʌɪp/
Etymology: < Greek ὁμο- homo- comb. form + τύπος type n.
1. Biology. A part or organ having the same type of structure as another, a homologue; applied esp. to serially or laterally homologous parts in the same organism.
ΘΚΠ
the world > life > biology > physical aspects or shapes > shape > [noun] > condition of being similar > similar part
homotype1840
1840 T. A. G. Balfour Typ. Char. Nature (1860) 64 A general likeness is sufficient in nature to constitute, in the eyes of naturalists, a type, and hence they speak of such as homologies or homotypes.
1849 R. Owen Disc. Nature of Limbs 19 The femur, the homotype of the humerus.
1854 R. Owen Struct. Skeleton & Teeth in Orr's Circle Sci.: Org. Nature I. 170 So far as each segment..is a repetition or ‘homotype’ of every other segment.
1873 St. G. Mivart Lessons Elem. Anat. vi. 215 The successive vertebræ..are serial homologues, or homotypes.
1939 Ann. Ent. Soc. Amer. XXXII. 695 Homotype: 1. That which is constructed on the same plan or type—as metameres of the body. Not a nomenclatural term.
2. Taxonomy. A specimen identified as a type by someone other than the author of the original description, after comparison with the holotype.
ΘΚΠ
the world > life > biology > taxonomy > [noun] > archetype, syntype, etc.
species1644
type1840
type-genus1840
type-species1840
archetype1849
type-specimen1875
monotype1881
necrotype1883
cotype1893
paratype1893
topotype1893
homotype1896
genotype1897
holotype1897
homoeotype1905
lectotype1905
neotype1905
syntype1909
allotype1910
haplotype1914
1896 Ld. Walsingham & J. H. Durrant Rules for Nomencl. 13 A specimen named by another than the author, after comparison with the type, is called a Homotype... We have added the term Homotype to those proposed by Mr. Oldfield Thomas.
1939 Ann. Ent. Soc. Amer. XXXII. 695 Homotype:... 2. Equals Homoeotype.
1967 R. E. Blackwelder Taxon. xxix. 591 Specimens identified as to time or person of identification. Metatypes, homotypes (homoeotypes), and so on.

Derivatives

homotypal adj. /ˈhɒməʊtaɪpəl/ = homotypic adj. 1.
ΘΚΠ
the world > life > biology > physical aspects or shapes > shape > [adjective] > similar
homotypal1849
homotypical1870
homomorphic1872
homotypic1886
1849 R. Owen Disc. Nature of Limbs 29 To discern their homotypal relations and their classification.
1871 H. Macmillan True Vine (1872) iii. 102 The vine presents a repetition both of homotypal parts and of homotypal arrangement of parts.
homotypy n. /ˈhɒməʊtaɪpi//həʊˈmɒtipi/ relation of homotypes; homology; esp. serial or lateral homology.
ΘΚΠ
the world > life > biology > biological processes > genetic activity > heredity or hereditary descent > [noun] > correspondence in structure
homology1835
homogen1870
homogeny1870
homoplasy1870
homoplasmy1874
homotypy1874
parhomology1888
1874 Pop. Encycl. (at cited word) Homotypy, another term for serial homology.
1878 F. J. Bell & E. R. Lankester tr. C. Gegenbaur Elements Compar. Anat. 64 Homotypical organs..are often so changed that their homotypy cannot be recognised, and has to be worked out.
This entry has not yet been fully updated (first published 1899; most recently modified version published online March 2022).

homotypeadj.

/ˈhɒməʊtʌɪp/
Etymology: < homo- comb. form + Greek τύπος type n.
Cytology.
= homotypic adj. 2.
ΘΚΠ
the world > life > biology > biological processes > genetic activity > [adjective] > stages of mitosis or meiosis
homotypical1870
heterotypical1888
homoeotypical1888
heterotypic1889
homoeotypic1889
skein1889
heterotype1895
homotype1895
synaptic1895
synaptenic1900
presynaptic1903
homotypic1904
dictyate1905
post-meiotic1905
premeiotic1905
telophasic1907
postsynaptic1909
metaphase1912
prophasic1912
telosynaptic1912
interkinetic1927
synapsed1931
synizetic1931
interphasic1948
1895 Ann. Bot. 9 479 The indifference manifested in the second mitosis in animals..as to whether it be heterotype or homotype, is of some theoretical interest.
1907 C. E. Walker Essent. Cytol. v. 46 The first division following the meiotic is very commonly given a special name—the ‘homotype’ division.
1920 L. Doncaster Introd. Study Cytol. v. 67 This second division is therefore spoken of as a homotype mitosis.
This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2018).
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n.1840adj.1895
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