Skip to content A B C D E F G H I J K L M N O P Q R S T U V W X Y Z trichoblastoma A blastoma containing benign neoplasms of follicular cells trichobothrial Relating to trichobothria trichobothrium An elongate external seta, present in many arachnids and various orders of insects, including Hemiptera and Thysanoptera. They function in the detection of airborne vibrations and air currents, including near-field sounds of central importance to their hearing and communication. trichobranchia The gill of a crustacean in which the branchial filaments are slender and cylindrical, as in the crawfishes. trichobranchiate having trichobranchiae. trichocene Any orchid of the genus Trichocentrum. trichocephalosis A form of helminthiasis caused by the whipworm Trichocephalus trichiurus trichocerid Any cranefly/daddy longlegs in the family Trichoceridae. trichochrome Any of a class of pigments related to melanin and found in human hair. trichoclasis A brittle condition of the hair. trichocomaceous Of or relating to the Trichocomaceae. trichocyst A threadlike organ in certain protozoans that can be discharged suddenly in order to grasp or sting trichocyte Any of the specialized epithelial cells from which hairs grow. trichocytic Relating to or composed of trichocytes. trichodactylid Any crab in the family Trichodactylidae. trichodectid Any louse of the family Trichodectidae trichoderm Any soil fungus of the genus Trichoderma. trichodermial With roughly parallel chains of closely packed cells. trichodermic Relating to trichoderms trichodermin A particular trichothecene with chemical formula C₁₇H₂₄O₄. trichodermol A particular fungal sesquiterpene. trichodesmine A hepatotoxic pyrrolizidine alkaloid found in plants of the Trichodesma genus. trichodiene The alicyclic sesquiterpene (4S)-1,4-dimethyl-4-[(1S)-1-methyl-2-methylidenecyclopentyl]cyclohexene trichodimerol A pentacyclic alcohol produced by fungi of the genus Trichoderma trichodinid Any ciliate alveolate of the family Trichodinidae trichodiscoma A cutaneous condition, a benign tumour most often affecting the face and upper trunk. trichodontid Any member of the family Trichodontidae of sandfishes. trichodragma A sheaf or bundle of raphides. trichodynia A painful sensation on the scalp, often with an underlying psychosomatic cause such as stress. trichodyschroia discoloration of the hair trichodysplasia A disease, sometimes found in organ transplant recipients, characterised by reddened papules, especially on the face trichodystrophy The defective growth or development of the hair. trichoepithelioma A neoplasm of the adnexa of the skin trichofolliculoma A cutaneous condition characterized by a benign, highly structured tumour of the pilosebaceous unit. trichogen An epidermal cell that grows into a seta. trichogenesis The generation and development of hair trichogenic Relating to trichogenesis trichogenous Promoting the growth of hair. trichogram A microscopic examination of the root of a hair. trichogramma Any of the tiny insect-egg-parasitizing wasps in the genus Trichogramma, which are widely used as for biological control. trichogrammatid Any member of the Trichogrammatidae. trichogrammid Any wasp of the genus Trichogramma. trichogyne The slender, hair-like cell which receives the fertilizing particles, or antherozoids, in female red algae, lichens and fungi. trichogynial Relating to the trichogyne. trichogynic Relating to the trichogyne. trichohyalin A protein in humans that confers mechanical strength on the hair follicle's inner root sheath and other toughened epithelial tissues, such as the hard palate and filiform ridges of the tongue. trichoid Resembling hair; hairlike tricholine Three choline groups in a compound trichological Relating to trichology. trichologically In terms of trichology. trichologist A professional who helps people with hair or scalp problems; a practitioner of trichology. trichology The science or study of hair. tricholomataceous Of or relating to the Tricholomataceae. tricholomatoid Describes any mushroom with notched gill attachment, a thick fleshy stem and lacking an annulus or volva. trichoma Ingrown eyelash; trichiasis. trichomania A mania for, or passionate interest in, long hair. trichomaniac One with a mania or passion for hair. trichomanoid Resembling the fern genus Trichomanes. trichomatose Affected with trichoma (plica). trichome A hair- or scale-like extension of the epidermis of a plant. trichomegaly A congenital condition in which the eyelashes are abnormally long. trichomeless Lacking trichomes trichomic Relating to trichomes trichomics The study of trichomes trichomonacidal Destructive to trichomonads. trichomonacide Any substance that kills trichomonads. trichomonad Any of many flagellate protozoans of the genus Trichomonas, most of which are parasitic trichomonal Relating to, or caused by, the genus Trichomonas of anaerobic protists. trichomonas trichomonad trichomoniasis A common sexually transmitted disease caused by the parasite Trichomonas vaginalis and infecting the urinary tract or vagina. Trichomycetes A group of fungi in the division Zygomycota that grow in the guts of arthropods living in aquatic habitats. Species formerly placed in the Trichomycetes are now placed in the orders Harpellales and Asellariales. trichomycosis superficial bacterial colonization of the hair shafts in areas bearing sweat glands trichomycterid Any catfish in the family Trichomycteridae. trichoniscid Any isopod in the family Trichoniscidae. trichonodelliform Bilaterally symmetrical with lateral processes on each side of the cusps, and with a posterior process. Applied to conodont elements. trichonodosis A condition involving knots in the hair. trichonotid Any fish in the family Trichonotidae. trichopathic Relating to disease of the hair. trichopathophobia A fear relating to the colour, growth or disorders of hair. trichopathy Any disease of the hair. trichophagia Compulsive eating of hair. trichophagy The eating of hair, typically one's own. trichophile A person who has trichophilia. trichophilia A paraphilia in which one is sexually aroused by, or extremely fond of, human hair. trichophobia A morbid fear of hair or diseases affecting the hair. trichophore The special cell in red algae which produces or bears a trichogyne. trichophoric Of or relating to a trichophore. trichophorous Of or relating to a trichophore. trichophyllous Having finely divided leaves that resemble hair. trichophyte Any organism of the fungus genus Trichophyton. trichophytic Of or pertaining to the genus Trichophyton of fungi responsible for Malabar itch. trichophyton Any member of the fungus genus Trichophyton. trichophytosis infection with Trichophyton fungus trichopter One of the Trichoptera; a caddis fly. trichopteran Any insect of the order Trichoptera. trichopterous Of, pertaining to, or characterizing the Trichoptera. trichopterygid Any beetle in the family Ptiliidae (syn. Trichopterygidae). trichoptilosis schizotrichia; split ends trichord any set of three different pitch classes trichording Moving in three directions, about three axes. trichordo A trichord (three-stringed) old-fashioned bouzouki; a type of chordophone. trichorhinophalangeal Relating to the hair, nose, and phalanges (finger or toe bones); applied to Langer-Giedion syndrome. trichorionic that each has its own chorion trichorrhea The falling out of the hair. trichorrhexis brittleness of the hair trichosanthin A ribosome-inactivating protein and abortifacient derived from Trichosanthes kirilowii. trichoscalid hairlike scalid trichoschisis trichoclasis, especially where the cuticle is locally absent at the site of fracture trichosclereid A hard needle-like branched cell found in some plants, serving as protection from herbivores. trichoscopy A method of hair and scalp evaluation based on dermoscopy and videodermoscopy. trichose Covered in microtrichia trichosensillum A sensory hair (in some beetles etc) trichosis Any disease or abnormality of the hair. trichosor Any of certain wart-like structures along the wing edges of some lacewings that bear prominent, dense, stiff hairs or setae (macrotrichia), used to diagnose taxonomic relationships among extant and extinct lacewings. trichosphaeriaceous Of or relating to the Trichosphaeriaceae. trichosporin An antibiotic oligopeptide produced by some fungi trichosporonosis A systemic disease associated with fungi in the genus Trichosporon. trichosporosis infection by Trichosporon fungi trichostatin Any of a family of antifungal antibiotics that are histone deacetylase inhibitors trichostomatid Any protozoan of the order Trichostomatida trichostrongyle Any nematode of the genus Trichostrongylus. trichostrongyliasis infection with Trichostrongylus nematodes trichostrongylid Any of the family Trichostrongylidae of nematodes. trichostrongyloid Any nematode of the superfamily Trichostrongyloidea trichostrongylosis Any disease caused by infection with nematodes of the genus Trichostrongylus. trichothallic Having a shoot that ends in one or more multicellular hairs or a tuft of these. trichothecene Any of many related mycotoxins produced by pathogenic fungi species of the genus Fusarium. trichothiodystrophic Of or pertaining to trichothiodystrophy. trichothiodystrophy An autosomal-recessive congenital skin disease characterized by a congenital ichthyosiform erythroderma, growth and mental retardation, progeria-like facies, and brittle hair. trichotic Exhibiting or relating to trichosis; hairy. trichotillomania A medical disorder where someone compulsively pulls their own hair out. trichotillomaniac An obsessive hairpuller; one who suffers from trichotillomania. trichotillomanic Afflicted with trichotillomania. trichotomic Relating to trichotomy trichotomism The belief that human beings are made up of three distinct components: body or flesh, soul, and spirit. trichotomist A person who believes that human beings are made up of three distinct components: body, soul, and spirit. trichotomization division into three parts trichotomize To divide into three parts, elements, or classes trichotomocolpate Having three colpi, or grooves. trichotomous Divided into three parts, or into threes; forking three ways. trichotomously In a trichotomous manner. trichotomy Division or separation into three groups or pieces. trichotrophy Nutrition of the hair. trichotropid Any sea snail in the family Trichotropidae, a synonym of the Capulidae. trichovirus Any plant pathogen virus of the genus Trichovirus trichroic Of, relating to, or exhibiting trichroism. trichroism The property of some optically anisotropic crystals of transmitting different colours of light in three different spatial directions. trichromacy The quality of having three independent channels for conveying color information in the eye. trichromat One who has trichromatic vision; one whose vision exhibits trichromacy; one who can distinguish three primary colors. trichromate Any salt that has three chromate ions