A division of ciliated Infusoria having a circle of cilia around the oral disk: Peritricha sometimes have cilia around the body and this division includes the vorticellas.
peritrichous
(noun), more peritrichous, most peritrichous
Referring to flagella distributed over a cell:
Peritrichous bacteria are those which have lash-like appendages evenly spread over the complete cell.
Peritrichous cilia, or other appendicular organs, project from the periphery of a cell.
poliothrix
(s) (noun) (no pl)
The premature graying or whitening of the hair: Sam was only 20 when his hair turned gray, and his dermatologist said that it was a condition of poliothrix which could be of hereditary origin.
polytrichia
(s) (noun) (no pl)
An excessive growth of the hair on a person: Mr. Timmons had a condition of polytrichia and was thickly covered with hair, especially in comparison with other people of the same race and sex.
pseudohypertrichosis
(s) (noun) (no pl)
Persistence after birth of the fine hair present during fetal life: Mrs. Smart's new baby had a case of pseudohypertrichosis because of the inability of the bodily skin to throw it off.
rhinothrix
(s) (noun), rhinothrixes
(pl)
A hair, or hairs, growing in the nostril: Once in a while Lynn had to cut the rhinothrix that was growing too long from her nose.
schizotrichia
(s) (noun) (no pl)
A splitting of the hairs at their ends: At the hairdresser's, Sherry asked the hairdresser if she had any schizotrichia, or split ends.
sclerothrix
(s) (noun), sclerothrixes
(pl)
Abnormal hardness of the hair: Sally noticed that her hair was getting too dry and brittle, so she asked her dermatologist about it and was told that she had a condition of sclerothrix.
sclerotrichia
(s) (noun) (no pl)
A morbid condition of dryness and hardness of hair: In her magazine, Jenny read about sclerotrichia as the process of the hardening and brittleness of the hair.
trichaesthesia, trichesthesia
(s) (noun); trichaesthesias; trichesthesias
(pl)
The perception which a person experiences when any of the hairs of his or her skin has been touched; which is also known as "hair follicle sensibility": Hester closed her eyes and enjoyed the relaxing trichaesthesia when her youngest boy was brushing her hair.
trichalgia
(s) (noun) (no pl)
Pain produced when hair on the head is touched or moved; trichodynia: The condition of trichalgia can occur as a result of dermatitis scalp and hair follicle infections or psoriasis causing much tenderness and irritations on the skin on top of an individual's head.
trichatrophia
(s) (noun) (no pl)
Atrophy of the hair-growing parts: Jane's dermatologist told her that she had a case of
trichatrophia causing an atrophy of the hair bulbs, with brittleness, splitting, and the falling out of her hair.
Atrophy is the wasting away, deterioration, or diminution resulting from disease, injury, or lack of use.
trichiasis
(s) (noun), trichiases
(pl)
1. Ingtrown eyelash; trichoma; trichomatosis:
Trichiasis is the hair growing in toward an orifice or against the eyeball.
Trichiasis is a condition in which the hair adjacent to a natural orifice turns inward and causes irritation; e.g., an inversion of an eyelid (entropion), eyelashes irritate the eye.
Trichiasis is a disease of the eye, in which the eyelashes, being turned in upon the eyeball, produce constant irritation by the motion of the lids.
The acquired type usually follows an inflammatory condition that produces distortion of sight.
2. The presence of minute hairlike filaments in the urine: Trichiasis is a medical ailment of the kidneys or of the bladder in which filamentous material, like hairs, are emitted from the urine.
trichiasis of the anus
(s) (noun), trichiases of the anus
(pl)
An incurvation of the hairs around the excretory opening at the end of the alimentary canal: Mr. Black had a case of trichiasis of the anus which consequently irritated the mucous membrane around the opening.
trichilemmoma, tricholemmoma
(s) (noun); trichilemmomas; tricholemmomas
(pl)
A benign tumor derived from outer root sheath epithelium of a hair follicle, consisting of cells with pale-staining cytoplasm containing glycogen: Multiple
trichilemmomas are present on the face in Cowden's disease.
Cowden's disease is also known as hypertrichosis and gingival fibromatosis from infancy, it may also be accompanied by postpubertal fibroadenomatous breast enlargement; papules of the face are characteristic of multiple trichilemmomas.
