tricho-, trich-, -tricha, -trichia, -trichan, -trichic, -trichosis, -trichous, -thrix, -trichum, -trichy +

Regarding the perception of three colors: Trichromatic observation is characterized by three colors, especially having the three fundamental color sensation of red, green, and violet of the normal eye.

The lack or loss of pigment in a person's hair: Achromotrichia occurs when people get older and a grayness of hair grows instead of the original pigmented hair.

A slender, horny, flexible, unsegmented fibril (hair-like) of an embryo fish : An actinotrich strengthens the embryonic fin fold and which may persist in the outer edge of the adult fin membrane or in the adipose fin.

One of a group of threadlike (hairlike) fibers in the finfolds of fish larvae that eventually develop into fin rays: The actinotrichia are slender, horny, flexible, unsegmented fibrils which strengthen the embryonic finfold, or the unjointed horny rays at the edge of fins in many fish.

Actinotrichia are translucent, exhibit birefringence (double refraction) and are composed of a scleroprotein, called elastoidine.

Regarding a tiny organism with a flagellum at each end: Amphitrichous bacteria have a flagellum or flagella (hairlike structures) at both extremities of the microbial cell.

The absence of hair; baldness: Some people have a condition of atrichia which is due to congenital or due to acquired physical reasons.

Rare, pertaining to the absence of hair, congenital or acquired: Judy's uncle's head was totally atrichic which was as smooth as the palm of a hand.

A reference to the absence of hair, either congenital (from birth) or acquired during life: There are some men who prefer to have atrichous heads instead of having hair to take care of.

Pertaining to, or referring to, the coloring of hair; relating to chromotrichia: The hairdresser showed Mary many possibilities of chromotrichial dyes that she could choose from for her next visit.

A congenital or acquired condition in which minute nodes are formed in the hair shafts: Splitting and breaking, of hair strands, complete or incomplete, may occur and cause clastothrix or points or nodes.

A genus of sheathed bacteria: In Crenothrix, cells are nonmotile, sheaths are attached and encrusted with iron and manganese oxides, and filaments may have swollen tips.

Rare, a condition marked by hair growing on the legs; especially, when excessive: The clinical finding of crurotrichosis is not necessarily thought to be a disease, but just an unusual amount of hair on the legs, and even on the scrotum or genital parts. .

Referring to a person having wavy hair or curly hair or curly headiness: The cymotrichous boy had his hair cut short so it wouldn't be so curly.

Smooth, wavy, and curly hair: Joe's cymotrichy was the envy of many women and even some other men.

A condition in which two hairs grow from a single follicle: A case of districhiasis is a malformation of the hairs on the eyelid, in which growth of two hairs in a single follicle can take place due to being inherited or because of congenital issues.