horny tissue

См. также в других словарях:

• horny — Of the nature or structure of horn. SYN: keratinous (2). * * * horny hȯr nē adj, horn·i·er; est 1 a) composed of or resembling tough fibrous material consisting chiefly of keratin: KERATINOUS <horny tissue> <after the horny material has …   Medical dictionary

• horny sponge —       any sponge of the orders Dictyoceratida and Dendroceratida (class Demospongiae). It has a skeleton consisting exclusively of fibrous organic components. Most other sponges, by contrast, have siliceous or calcareous elements as well as… …   Universalium

• skin — skinlike, adj. /skin/, n., v., skinned, skinning, adj. n. 1. the external covering or integument of an animal body, esp. when soft and flexible. 2. such an integument stripped from the body of an animal, esp. a small animal; pelt: a beaver skin.… …   Universalium

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

• callus — /kal euhs/, n., pl. calluses, v., callused, callusing. n. 1. Pathol., Physiol. a. a hardened or thickened part of the skin; a callosity. b. a new growth of osseous matter at the ends of a fractured bone, serving to unite them. 2. Also, callose.… …   Universalium

• Beak — For other uses, see Beak (disambiguation). Comparison of bird beaks, displaying different shapes adapted to different feeding methods. Not to scale. The beak, bill or rostrum is an external anatomical structure of birds which is used for eating… …   Wikipedia

• keratogenous — Causing a growth of cells that produce keratin and result in the formation of horny tissue, such as fingernails, scales, feathers, etc. * * * ker·a·tog·e·nous .ker ə täj ə nəs adj producing horn or horny tissue * * * ker·a·tog·e·nous… …   Medical dictionary

• Keratosis — A localized overgrowth of the upper layer of skin. Common forms of keratosis include aging (senile keratosis) and sun exposure (actinic keratosis). * * * Any lesion on the epidermis marked by the presence of circumscribed overgrowths of the horny …   Medical dictionary

• kerato- — (also kerat before a vowel) combining form 1》 relating to keratin or horny tissue. 2》 relating to the cornea. Origin from Gk keras, kerat horn . kerato (also kerat before a vowel) combining form 1》 relating to keratin or horny tissue. 2》 relating …   English new terms dictionary

• keratogenic —   a. able to cause growth of horn, skin, hair, etc.    ♦ keratogenous, a. horn producing.    ♦ keratoid, a. horny.    ♦ keratode, n. keratose substance.    ♦ keratose, n. &   a. (substance) of horny fibres.    ♦ keratosis, n. excessive growth of… …   Dictionary of difficult words

• lizard — /liz euhrd/, n. 1. any of numerous scaly reptiles of the suborder Sauria, order Squamata, typically having a moderately elongate body, a tapering tail, and two pairs of legs held outward from the body, comprising mostly terrestrial and burrowing… …   Universalium