terminal hair


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hair

 [hār]
1. any thin, threadlike structure.
2. especially, the specialized epidermal structure produced only by mammals, developing from a papilla sunk in the corium. The life cycle of a hair (hair cycle) consists of three phases, called anagen, catagen, and telogen. Called also pilus.
Structure of hair and hair follicles. From Applegate, 2000.
3. the aggregate of such structures.
beaded hair hair marked with alternate swellings and constrictions; seen in monilethrix.
burrowing hair one that grows horizontally in the skin, causing a papule that may become infected; see also pili cuniculati, under pilus.
club hair a hair whose root is surrounded by a bulbous enlargement composed of keratinized cells, preliminary to normal loss of the hair from the follicle.
Frey's h's stiff hairs mounted in a handle; used for testing the sensitiveness of pressure points of the skin.
ingrown hair one that has curved and reentered the skin, causing a papule that may become infected. See also pili incarnati, under pilus.
lanugo hair the fine hair on the body of the fetus.
moniliform hair beaded hair.
pubic hair the hair on the external genitalia; called also pubes.
sensory h's hairlike projections on the surface of sensory epithelial cells.
tactile h's hairs sensitive to touch.
taste h's short hairlike processes projecting freely into the lumen of the pit of a taste bud from the peripheral ends of the taste cells.
terminal hair the coarse hair on various areas of the body during adult years.
twisted hair a hair that is twisted through an axis of 180 degrees at spaced intervals, being abnormally flattened at the site of twisting. See also pili torti, under pilus.

ter·mi·nal hair

a mature pigmented, coarse hair.

ter·mi·nal hair

(tĕr'mi-năl hār)
A mature, pigmented, coarse hair.

terminal hair

The long, coarse, pigmented hair of the adult.
See also: hair
References in periodicals archive ?
Chaetomium species identification was done using following characters viz., size and shape of the perithecium; branching pattern, surface texture, septation and density of terminal hairs; presence of lateral hairs and rhizoids; size, shape and colour of the ascospores.
DISCUSSION: APL is an autosomal recessive form of total alopecia, characterized by hair loss soon after birth and the development of follicular papules with absence of terminal hair growth.
Hirsutism is excessive terminal hair in androgen dependent areas in a female over face, chest, abdomen, upper thigh and areola.5 It affects 5-10% of women in reproductive age.6 In our study the mean age was 24.41 years which was slightly less compared to a study by Baig et al.7 in which it was 26.12+-5.83 years.
Hirsutism refers to excessive growth of terminal hair in women with characteristics and distribution as seen in males in androgen responsive areas.
One of the characteristic findings observed in the current series was the absence of normal terminal hair follicles within the lesion although the same may be seen in the rest of the epidermis.
The histopathologic features of alopecia areata depend on the stage of the current episode and do not vary with the age, sex or race of the patient.31 In the acute stage, terminal hairs are surrounded by bulbar lymphocytes ('swarm of bees') [Figure 4].
Abstract Hirsutism may be defined as presence of terminal hairs in women with a male-like pattern of distribution.
As puberty strikes, some of these vellus hairs grow out and become terminal hairs because of the increase in androgen.
A physical examination revealed a welldemarcated hyperpigmented patch with an irregularly shaped border and an increased number of terminal hairs (FIGURE 1).
To the Editor: Acne inversa (AI; OMIM: 142690) is a painful chronic follicular disease, characterized by recurrent draining sinuses and abscesses with subsequent scarring and chronic seepage, predominantly in skin folds that carry terminal hairs and apocrine glands.
Terminal hairs are the darker and more visible, like those on our scalp.
Terminal hairs surrounding the ostiole are numerous, long, septate thick walled, straight or contorted, up to 1.7 mm long, 3.7-4.2 [micro]m in diameter, walls 0.60-1.12 [micro]m thick, dark smoky in color, more or less densely encrusted, tips curved to circinate.