Thelepus spectabilis, a worm that lives in the tidal zone that builds a protective tunnel or case to which fragments of shell and sand are attached. Found partly buried in shell sand and under stones in rock pools at low tide.

plural of worm cast

plural of worm in the apple

A serious flaw in something otherwise good; a problem that ruins everything else.

The nematode Synhimantus spiralis / Wad hook

plural of bootlace worm

Lineus longissimus, a proboscis worm with highly toxic mucus; it is one of the longest animals known.

A delicate device used to handle nematodes and similar organisms, typically under a microscope

(medicine, obsolete) A fevered condition in children, ascribed to intestinal worms.

plural of worm fever