explantn.

Brit.

/ˈɛksplɑːnt/,

/ˈɛksplant/, U.S.

/ˈɛkˌsplænt/

Origin: Formed within English, by conversion. Etymon: explant v.

Etymology: < explant v. Compare earlier implant n.

A piece of tissue, an organ, etc., that has been removed from the body or from a plant. In later use also: a surgical implant which has been removed from the body. Cf. implant n. a.

ΘΚΠ

the world > life > biology > laboratory analysis > processes > [noun] > culturing > transferred piece of tissue

explant1915

1915 Jrnl. Exper. Med. 22 93 (note) In the case of explants of cartilage, however, although mitotic division occurs, dedifferentiation fails to take place.

1935 Proc. Royal Soc. 1934–5 B. 116 458 The explants in the control media showed at first a brief phase of fibrillation.

1970 R. Passmore & J. S. Robson Compan. Med. Stud. II. xviii. 100/2 It is sometimes advantageous to use a tissue explant to study the growth of a virus.

2000 Safety Silicone Breast Implants (Inst. Med.) v. 136 Three confirmatory explanations and six confirmatory MRIs were performed in the 307 women. One explant was clearly ruptured.

2004 A. Fabbri et al. Olive Propagation Man. v. 81 The choice of stock plants as a source of explants cannot be undertaken indiscriminately.

Compounds

explant culture n. a culture grown from an explant.

ΚΠ

1947 Internat. Jrnl. Leprosy 15 39 The average percentage at 12 weeks was increased slightly by the explant culture included.

1973 H. T. Wright in A. S. Kaplan Herpesviruses xii. 370 Smith..undertook the propagation of the murine salivary gland virus in explant cultures of mouse embryonic tissue.

2004 S. H. Lang & N. J. Maitland in S. P. Langdon Cancer Cell Culture vii. 298 This step..is essential if you aim to use the final preparation of a single epithelial cell suspension rather than an explant culture.

This entry has been updated (OED Third Edition, June 2016; most recently modified version published online March 2022).

explantv.

Brit.

/ɛksˈplɑːnt/,

/ᵻksˈplɑːnt/,

/ɛksˈplant/,

/ᵻksˈplant/, U.S.

/ɛksˈplænt/,

/ᵻksˈplænt/

Origin: Of multiple origins. Partly a borrowing from Latin. Partly formed within English, by derivation. Etymons: Latin explantare , explantāre ; ex- prefix¹, plant v.

Etymology: In sense 1 < post-classical Latin explantare to send forth as an offshoot (1577 or earlier; already in classical Latin (as explantāre) in sense ‘to uproot, pull up’) < ex- ex- prefix¹ + plantāre plant v. Compare earlier explantation n. In sense 2 independently < ex- prefix¹ + plant v., after implant v.

†1. transitive. To send out as an offshoot or branch. Obsolete. rare.

ΘΚΠ

the world > relative properties > wholeness > incompleteness > part of whole > be (part of) [verb (transitive)] > send forth as an offshoot

explant1578

1578 J. Banister Hist. Man v. f. 84 These [fibres] are explanted from the second cauitie or cell in the kidneys.

2. transitive. Biology. To remove (cells, living tissue, etc.) from the body, esp. in order to initiate a tissue culture. In later use also: to remove (a device or structure) that has been surgically implanted into the body. Cf. implant v. 1b.

ΘΚΠ

the world > life > biology > laboratory analysis > processes > [verb (transitive)] > culturing

cultivate1867

subculture1896

culture1901

explant1914

1914 Jrnl. Exper. Med. 20 622 The connective tissue..was explanted with the epithelium of the skin.

1915 Amer. Jrnl. Physiol. 38 153 The striated muscle fiber of the rabbit, when explanted into plasma, dedifferentiates into an indifferent mass of cells.

1920 Bull. Johns Hopkins Hosp. 31 241/2 Some granules were observed to be free in the culture fluid. This was due to the destruction of a certain number of pigment-bearing cells in the process of explanting the tissue.

1968 Sci. Jrnl. Nov. 55/2 If the embryos are explanted during these three days, cell multiplication may continue.

2003 G. Clark Cochlear Implants viii. 484 This should be possible without having to explant the device and replace it with a new one.

2011 R. V. Venkateswaran & D. P. Jenkins in A. A. Klein et al. Organ Transplantation ix. 85/2 We recommend 2 to 3 hours dissection time to explant the recipient heart.

Derivatives

exˈplanted adj.

ΚΠ

1914 Brit. Med. Jrnl. 16 May 1088/1 The cell movement in explanted tissue has been kinematographically studied.

1958 New Scientist 20 Feb. 12/2 The curious aptitude of explanted cells for conducting themselves either as irresponsible individuals or as highly specialised citizens of a complex community.

2002 M. L. Rose in B. J. Hunt et al. Introd. Vascular Biol. (ed. 2) 386 They [sc. the coronaries] were removed from the explanted heart of patients requiring transplantation.

This entry has been updated (OED Third Edition, June 2016; most recently modified version published online March 2022).

单词	explant
释义	explantn. Brit. /ˈɛksplɑːnt/, /ˈɛksplant/, U.S. /ˈɛkˌsplænt/ Origin: Formed within English, by conversion. Etymon: explant v. Etymology: < explant v. Compare earlier implant n. A piece of tissue, an organ, etc., that has been removed from the body or from a plant. In later use also: a surgical implant which has been removed from the body. Cf. implant n. a. ΘΚΠ the world > life > biology > laboratory analysis > processes > [noun] > culturing > transferred piece of tissue explant1915 1915 Jrnl. Exper. Med. 22 93 (note) In the case of explants of cartilage, however, although mitotic division occurs, dedifferentiation fails to take place. 1935 Proc. Royal Soc. 1934–5 B. 116 458 The explants in the control media showed at first a brief phase of fibrillation. 1970 R. Passmore & J. S. Robson Compan. Med. Stud. II. xviii. 100/2 It is sometimes advantageous to use a tissue explant to study the growth of a virus. 2000 Safety Silicone Breast Implants (Inst. Med.) v. 136 Three confirmatory explanations and six confirmatory MRIs were performed in the 307 women. One explant was clearly ruptured. 2004 A. Fabbri et al. Olive Propagation Man. v. 81 The choice of stock plants as a source of explants cannot be undertaken indiscriminately. Compounds explant culture n. a culture grown from an explant. ΚΠ 1947 Internat. Jrnl. Leprosy 15 39 The average percentage at 12 weeks was increased slightly by the explant culture included. 1973 H. T. Wright in A. S. Kaplan Herpesviruses xii. 370 Smith..undertook the propagation of the murine salivary gland virus in explant cultures of mouse embryonic tissue. 2004 S. H. Lang & N. J. Maitland in S. P. Langdon Cancer Cell Culture vii. 298 This step..is essential if you aim to use the final preparation of a single epithelial cell suspension rather than an explant culture. This entry has been updated (OED Third Edition, June 2016; most recently modified version published online March 2022). explantv. Brit. /ɛksˈplɑːnt/, /ᵻksˈplɑːnt/, /ɛksˈplant/, /ᵻksˈplant/, U.S. /ɛksˈplænt/, /ᵻksˈplænt/ Origin: Of multiple origins. Partly a borrowing from Latin. Partly formed within English, by derivation. Etymons: Latin explantare , explantāre ; ex- prefix¹, plant v. Etymology: In sense 1 < post-classical Latin explantare to send forth as an offshoot (1577 or earlier; already in classical Latin (as explantāre) in sense ‘to uproot, pull up’) < ex- ex- prefix¹ + plantāre plant v. Compare earlier explantation n. In sense 2 independently < ex- prefix¹ + plant v., after implant v. †1. transitive. To send out as an offshoot or branch. Obsolete. rare. ΘΚΠ the world > relative properties > wholeness > incompleteness > part of whole > be (part of) [verb (transitive)] > send forth as an offshoot explant1578 1578 J. Banister Hist. Man v. f. 84 These [fibres] are explanted from the second cauitie or cell in the kidneys. 2. transitive. Biology. To remove (cells, living tissue, etc.) from the body, esp. in order to initiate a tissue culture. In later use also: to remove (a device or structure) that has been surgically implanted into the body. Cf. implant v. 1b. ΘΚΠ the world > life > biology > laboratory analysis > processes > [verb (transitive)] > culturing cultivate1867 subculture1896 culture1901 explant1914 1914 Jrnl. Exper. Med. 20 622 The connective tissue..was explanted with the epithelium of the skin. 1915 Amer. Jrnl. Physiol. 38 153 The striated muscle fiber of the rabbit, when explanted into plasma, dedifferentiates into an indifferent mass of cells. 1920 Bull. Johns Hopkins Hosp. 31 241/2 Some granules were observed to be free in the culture fluid. This was due to the destruction of a certain number of pigment-bearing cells in the process of explanting the tissue. 1968 Sci. Jrnl. Nov. 55/2 If the embryos are explanted during these three days, cell multiplication may continue. 2003 G. Clark Cochlear Implants viii. 484 This should be possible without having to explant the device and replace it with a new one. 2011 R. V. Venkateswaran & D. P. Jenkins in A. A. Klein et al. Organ Transplantation ix. 85/2 We recommend 2 to 3 hours dissection time to explant the recipient heart. Derivatives exˈplanted adj. ΚΠ 1914 Brit. Med. Jrnl. 16 May 1088/1 The cell movement in explanted tissue has been kinematographically studied. 1958 New Scientist 20 Feb. 12/2 The curious aptitude of explanted cells for conducting themselves either as irresponsible individuals or as highly specialised citizens of a complex community. 2002 M. L. Rose in B. J. Hunt et al. Introd. Vascular Biol. (ed. 2) 386 They [sc. the coronaries] were removed from the explanted heart of patients requiring transplantation. This entry has been updated (OED Third Edition, June 2016; most recently modified version published online March 2022). < n.1915v.1578
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