histotrophicadj.

Brit.

/ˌhɪstəˈtrɒfɪk/,

/ˌhɪstəˈtrəʊfɪk/, U.S.

/ˌhɪstəˈtrɑfɪk/,

/ˌhɪstəˈtroʊfɪk/

Origin: Formed within English, by compounding. Etymons: histo- comb. form, -trophic comb. form.

Etymology: < histo- comb. form + -trophic comb. form. In sense 2 perhaps as an alteration of histotropic adj. (attested earlier in this sense).

Biology.

1. Originally: causing the formation of or providing nourishment for tissues of the body. In later use also: spec. designating a stage of embryonic development when the embryo obtains nourishment from maternal tissue or glandular secretions; of or relating to this stage.

ΘΚΠ

the world > life > biology > substance > [adjective] > forming

histogenetic1844

histomorphotic1853

histotrophic1867

formative1877

1867 T. K. Chambers Indigestions ii. 84 In the indigestion of fat a purpose similar to that assigned to pepsine in the last paragraphs is performed by Pancreatine. In a classification of curative agents I have put the two together as ‘Constructive’ or ‘Histotrophic’ remedies.

1884 Items of Interest 6 314 But first he must tell us the distinction between mechanical and vital dynamics..and between crystallization, chemical affinity, and histotrophic agencies or plastic force.

1931 J. Needham Chem. Embryol. III. 1492 There can be but little doubt that the histotrophic form of viviparity is the phylogenetically senior of the two.

1946 Amer. Jrnl. Surg. 72 535/1 Today it is generally though that the thick decidual layer in the mucosa corporis first takes care of nourishing the ovum as long as it is in the histotrophic stage.

1979 Jrnl. Epidemiol. & Community Health 33 297/2 Attention has been turned to the micro-environment and to the histotrophic phase of nutrition.

2007 Vet. Parasitol. 148 134/1 During development, the equine embryo switches from embryonic nutrition (utilising the contents of the yolk sac) to histotrophic nutrition during the formation of the chorion.

2. = histotropic adj.

ΚΠ

1959 Nature 17 Jan. 197/1 Weinstein and Jones were the first to culture successfully in vitro the histotrophic stages of a parasitic worm.

1967 Biol. Bull. 133 310 The histotrophic phoronts undergo their metamorphosis within a few hours of settling on their hosts.

2006 B. E. Straw et al. Dis. Swine (ed. 9) lv. 902/1 Larvae [of Hyostrongylus rubidus] can remain in the mucosa for several months in a histotrophic stage similar to that of Ostertagia of cattle and sheep.

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

单词	histotrophic
释义	histotrophicadj. Brit. /ˌhɪstəˈtrɒfɪk/, /ˌhɪstəˈtrəʊfɪk/, U.S. /ˌhɪstəˈtrɑfɪk/, /ˌhɪstəˈtroʊfɪk/ Origin: Formed within English, by compounding. Etymons: histo- comb. form, -trophic comb. form. Etymology: < histo- comb. form + -trophic comb. form. In sense 2 perhaps as an alteration of histotropic adj. (attested earlier in this sense). Biology. 1. Originally: causing the formation of or providing nourishment for tissues of the body. In later use also: spec. designating a stage of embryonic development when the embryo obtains nourishment from maternal tissue or glandular secretions; of or relating to this stage. ΘΚΠ the world > life > biology > substance > [adjective] > forming histogenetic1844 histomorphotic1853 histotrophic1867 formative1877 1867 T. K. Chambers Indigestions ii. 84 In the indigestion of fat a purpose similar to that assigned to pepsine in the last paragraphs is performed by Pancreatine. In a classification of curative agents I have put the two together as ‘Constructive’ or ‘Histotrophic’ remedies. 1884 Items of Interest 6 314 But first he must tell us the distinction between mechanical and vital dynamics..and between crystallization, chemical affinity, and histotrophic agencies or plastic force. 1931 J. Needham Chem. Embryol. III. 1492 There can be but little doubt that the histotrophic form of viviparity is the phylogenetically senior of the two. 1946 Amer. Jrnl. Surg. 72 535/1 Today it is generally though that the thick decidual layer in the mucosa corporis first takes care of nourishing the ovum as long as it is in the histotrophic stage. 1979 Jrnl. Epidemiol. & Community Health 33 297/2 Attention has been turned to the micro-environment and to the histotrophic phase of nutrition. 2007 Vet. Parasitol. 148 134/1 During development, the equine embryo switches from embryonic nutrition (utilising the contents of the yolk sac) to histotrophic nutrition during the formation of the chorion. 2. = histotropic adj. ΚΠ 1959 Nature 17 Jan. 197/1 Weinstein and Jones were the first to culture successfully in vitro the histotrophic stages of a parasitic worm. 1967 Biol. Bull. 133 310 The histotrophic phoronts undergo their metamorphosis within a few hours of settling on their hosts. 2006 B. E. Straw et al. Dis. Swine (ed. 9) lv. 902/1 Larvae [of Hyostrongylus rubidus] can remain in the mucosa for several months in a histotrophic stage similar to that of Ostertagia of cattle and sheep. This entry has been updated (OED Third Edition, March 2012; most recently modified version published online March 2022). < adj.1867
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