Paraplastn.

Brit.

/ˈparəplɑːst/,

/ˈparəplast/, U.S.

/ˈpɛrəˌplæst/

Forms: also with lower-case initial.

Origin: Formed within English, by compounding. Etymons: paraffin n., plastic n.

Etymology: < para- (in paraffin n.) + -plast (in plastic n.).

Histology.

A proprietary name for: a mixture of paraffins and plastic polymers used as an embedding medium for biological samples, esp. for examination under the microscope.

ΚΠ

1962 Official Gaz. (U.S. Patent Office) tm 106/1 Paraplast... For embedded material for mounting biological specimens to be sectioned in a microtome.

1963 Science 8 Feb. 518 (advt.) Paraplast..paraffin compounded with plastic polymers... A superior medium for tissue embedding and sectioning.

1978 Nature 26 Oct. 748/2 Right and left gonads, with paragonadal material from the caudal pole of the kidney to the internal inguinal ring, were fixed and embedded en bloc in paraplast.

2001 Cancer 92 1881 Paraplast blocks from resection specimens of 20 metastasized and 20 nonmetastasized SCCs [=squamous cell carcinomas] of the tongue..were used.

This is a new entry (OED Third Edition, June 2005; most recently modified version published online March 2022).

单词	paraplast
释义	Paraplastn. Brit. /ˈparəplɑːst/, /ˈparəplast/, U.S. /ˈpɛrəˌplæst/ Forms: also with lower-case initial. Origin: Formed within English, by compounding. Etymons: paraffin n., plastic n. Etymology: < para- (in paraffin n.) + -plast (in plastic n.). Histology. A proprietary name for: a mixture of paraffins and plastic polymers used as an embedding medium for biological samples, esp. for examination under the microscope. ΚΠ 1962 Official Gaz. (U.S. Patent Office) tm 106/1 Paraplast... For embedded material for mounting biological specimens to be sectioned in a microtome. 1963 Science 8 Feb. 518 (advt.) Paraplast..paraffin compounded with plastic polymers... A superior medium for tissue embedding and sectioning. 1978 Nature 26 Oct. 748/2 Right and left gonads, with paragonadal material from the caudal pole of the kidney to the internal inguinal ring, were fixed and embedded en bloc in paraplast. 2001 Cancer 92 1881 Paraplast blocks from resection specimens of 20 metastasized and 20 nonmetastasized SCCs [=squamous cell carcinomas] of the tongue..were used. This is a new entry (OED Third Edition, June 2005; most recently modified version published online March 2022). < n.1962
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