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[Ascaris lumbricoides]

Ascaris lumbricoides in tissue specimens, stained with hematoxylin and eosin (H&E).

A	B

A: L3 larvae of A. lumbricoides in lung tissue, stained with H&E.  Image taken at 400x magnification.
B: Higher magnification (1000x) of the specimen in Figure A.  Note the prominent alae (AL), intestine (IN) and excretory ducts (EC).

C	D

C, D: Eggs of A. lumbricoides in an appendix biopsy, stained with H&E.  Figure C was taken at 200x magnification; Figure D at 400x magnification.

E

E: Eggs of A. lumbricoides in an appendix biopsy, stained with H&E.  Image taken at 400x magnification.