lumbricus lum·bri·cus (lŭm'brĭ-kəs)
The roundworm, Ascaris lumbricoides.
In the presence of a section of the body cavity in the head the embryo of Sagitta resembles lumbricus, Spiders, etc.
With his eighty-five, apart from external operations lawful or not, Mr. Parnell can act as a sort of lumbricus in the House.
Some of the Annelida, as Filaria and lumbricus, he also regarded as insects.
Finding the soil in the jar congenial, this lumbricus soon buried itself.
This stage has at any rate been observed in Rhynchelmis and lumbricus (in its widest sense) by Vezhdovsk.
In lumbricus the enteric cavity is formed during the gastrula stage.
Linnaeus recognized only one species of earthworm and named it lumbricus terrestris.
The commonest British forms are chiefly species of lumbricus and Allolobophora.
The proper habitat of the lumbricus is the upper and middle part of the small intestine.
When contracted, this lumbricus terrestris was barely an inch in length.