hyperkeratosis

(redirected from hyperkeratotic)
Also found in: Dictionary, Encyclopedia.
Related to hyperkeratotic: hyperkeratosis, keratoacanthoma, acanthosis, exophytic

hyperkeratosis

 [hi″per-ker″ah-to´sis]
1. hypertrophy of the horny layer of the skin, or any disease characterized by it.
2. hypertrophy of the cornea. adj., adj hyperkeratot´ic.
epidermolytic hyperkeratosis a hereditary autosomal dominant form of ichthyosis, present at birth. Characteristics include generalized redness of the skin and severe hyperkeratosis with small, hard wartlike scales over the entire body, accentuated in areas that flex or bend and sometimes involving the palms and soles. In infancy and childhood, there are recurrent bullae, most often on the lower limbs.
follicular hyperkeratosis a skin condition characterized by excessive development of keratin in hair follicles, resulting in rough, cone-shaped, elevated papules, the openings of which are often closed with a white plug of encrusted sebum. Deficiencies of vitamins A and E, B complex vitamins, and essential fatty acids have all been implicated in the etiology. Called also phrynoderma.
hyperkeratosis lenticula´ris per´stans an autosomal dominant skin disorder, usually occurring in the third or fourth decade of life, characterized by pink, red, or yellow to brown scaly papules on the lower leg and back of the foot, and sometimes on the trunk, thigh, arm, back and palm of the hand, or sole of the foot.

hy·per·ker·a·to·sis

(hī'pĕr-ker'ă-tō'sis),
Thickening of the horny layer of the epidermis or mucous membrane.
See also: keratoderma, keratosis.
Synonym(s): hyperkeratinization

hyperkeratosis

(hī′pər-kĕr′ə-tō′sĭs)
n. pl. hyperkerato·ses (-sēz)
Hypertrophy of the cornea or the horny layer of the skin.

hy′per·ker′a·tot′ic (-tŏt′ĭk) adj.

hyperkeratosis

Dermatology An ↑ in superficial keratinized layers of certain epithelia, skin, and uterine cervix; hyperkeratosis usually represents a reaction to irritation, and generally overlies benign epithelium

hy·per·ker·a·to·sis

(hī'pĕr-ker'ă-tō'sis)
Thickening of the horny layer of the epidermis or mucous membrane.
See also: keratoderma, keratosis
Synonym(s): hyperkeratinization.

hyperkeratosis

Undue thickening of the outer layer of the skin so that a dense horny layer, such as a corn or callosity, results. This is a normal and essentially protective response to local pressure. Hyperkeratosis may also occur as an inherited disorder of the palms and the soles, or as ICHTHYOSIS.

hy·per·ker·a·to·sis

(hī'pĕr-ker'ă-tō'sis)
Thickening of the horny layer of the epidermis or mucous membrane.
References in periodicals archive ?
Bilateral palmoplantar pointed pits on slightly erythematous yellowish hyperkeratotic areas, extending to the dorsal aspect of the hands and feet.
Hardened, hyperkeratotic papule-like lesion on the right palm, with desquamating margins and thrombosed blood vessel on its center.
It is a hyperkeratotic papule with the height greater than one-half the width of the base.
This study comprised ninety patients with tobacco-associated hyperkeratotic red and white lesion, ulcerative lesion, and frank malignancy.
Discrete lesions occur in the initial stages which coalesce to form large areas of hyperkeratotic scab and crust.
Examination of the oral cavity (Figure 1(a)) revealed shallow, painful, round to oval depapillary erosions on a background of a whitish, nonwipeable hyperkeratotic thickening of the posterior aspect of the tongue.
Histologically, the tissue was lined by hyperkeratotic, parakeratotic stratified squamous epithelium with underlying parenchyma showing numerous lymphatic channels lined by endothelium, some with luminal eosinophilic secretions.
Conservative treatment of a symptomatic IPJ plantar capsular accessory ossicle of the great toe includes rest, use of a pad for decompression, shaving of hyperkeratotic lesions, and local corticosteroid injection [2,15].
Porokeratosis represents a rare, chronic, progressive skin disorder, most often seen in males, clinically characterized by atrophic patches surrounded by a hyperkeratotic ridge-like border.
(1,2) An earlier texbook even suggests rubbing on coarse granite or coarse bricks for excessive hyperkeratotic feet.
In Brazil, due to the high number of leprosy, physicians should be aware of the possibility of CS in leprosy patients who develop widespread hyperkeratotic eruptions.
Therefore, the aim of this study was to estimate heritability as well as genetic and environmental correlations between 305-day milk yield (Milk305), milk yield in the first test-day (Firstmilk), mastitis occurrence (Mast), number of mastitis occurrence (NumMast), days sick (DS), hyperkeratosis (Hup), number of hyperkeratotic teats (NumHyp) and sum of the degree of hyperkeratotic teats (DegHyp) in Holstein cows.