barb - one of the parallel filaments projecting from the main shaft of a feather

cobweb, gossamer - filaments from a cobweb

chromatid - one of two identical strands into which a chromosome splits during mitosis

myofibril, myofibrilla, sarcostyle - one of many contractile filaments that make up a striated muscle fiber

rhizoid - any of various slender filaments that function as roots in mosses and ferns and fungi etc

hypha - any of the threadlike filaments forming the mycelium of a fungus

paraphysis - a sterile simple or branched filament or hair borne among sporangia; may be pointed or clubbed

fiber, fibre - a slender and greatly elongated solid substance

stalk, stem - a slender or elongated structure that supports a plant or fungus or a plant part or plant organ

anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical structure; "he has good bone structure"

pilus, hair - any of the cylindrical filaments characteristically growing from the epidermis of a mammal; "there is a hair in my soup"

electric light, electric-light bulb, incandescent lamp, light bulb, lightbulb, bulb - electric lamp consisting of a glass bulb containing a wire filament (usually tungsten) that emits light when heated

conducting wire, wire - a metal conductor that carries electricity over a distance