keratinous


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to keratinous: keratinous cyst

keratinous

 [kĕ-rat´ĭ-nus]
containing keratin or of the nature of keratin; called also keratic.

ke·rat·i·nous

(ke-rat'i-nŭs),
1. Relating to keratin.
2. Synonym(s): horny

keratinous

/ke·rat·in·ous/ pertaining to or containing keratin.

ke·rat·i·nous

(kĕ-rat'i-nŭs)
1. Relating to keratin.
2. Synonym(s): horny.

keratinous

containing or of the nature of keratin.

Patient discussion about keratinous

Q. skins does excrete oil and keratin what exactly is the whitish cape up that you can squeeze out from underskin

A. It sounds like you refer to sebum, an oily substance secreted by (how surprising :) ) sebaceus glands attached to the hair root. It's important for the skin, although abnormal secretion of it may cause diseases such as acne.

You may read more here:
http://en.wikipedia.org/wiki/Sebum#Sebum

More discussions about keratinous
References in periodicals archive ?
This new study reveals that keratinous beaks played an important role in stabilizing the skeletal structure during feeding, making the skull less susceptible to bending and deformation.
Key Words: Chalazion, curettage, keratinous cyst, tatsal plate, tumor
It is clear from our results that soils of Gardens and playgrounds are ideal environment for the growth of keratinophilic fungi and dermatophytes, and this could be attributed to the high organic debris and keratinous substrates like hair and feathers from birds and animals and plant litter present in these soils.
Copious amounts of thick, dark cerumen and keratinous debris were expressed from the sinus tract when postauricular pressure was applied (figure 4).
Others suggest that it may originate from chronic abscess or keratinous cysts of breast12,13.
C] values of eastern Aleutian foragers subsisting high in the marine food web represent a further averaging of intraspecific variation, since in both human and ingested prey tissues (unlike baleen, a keratinous protein metabolically inactive after formation) carbon is subject to continuous turnover.
A This can happen in younger birds when they are sexually mature, finally developing either a blue cere (the soft keratinous structure above the beak) in males or brown cere in females.
However it bears deep lateral grooves for the attachment of what was probably a substantial keratinous claw and possessed (prior to post-mortem damage) a robust flexor tubercle.
In humans, aspirates may contain squamous cells, polymorphonuclear cells, lymphocytes, and a background of amorphous and keratinous debris.
The giant comedones seen over the upper back and occasionally on the face are also associated with photodamage, and I suspect that they are passively allowed to dilate with the keratinous debris because of the loss off perifollicular dermal support--exactly analogous to the situation with the microvasculature.
Histologically, the tumors contain varying amounts of: nests of cuboidal/polygonal cells, tubuloalveolar structures, ductal structures, keratinous cysts and matrix (chondroid substance is the most prevalent).
When an abnormal amount of keratinous (skin) debris collects in the pilosebaceous unit and doesn't get shed properly, this debris creates a plug, called a comedone (co-mee-done).