hyalonema |
<zoology> A genus of hexactinelline sponges, having a long stem composed of very long, slender, transparent, siliceous fibres twisted together like the strands of a colour. The stem of the Japanese species (H. Sieboldii), called glass-rope, has long been in use as an ornament. See Glass-rope. Origin: NL, fr. Gr. Glass + a thread. Source: Websters Dictionary (01 Mar 1998) |
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hyalophagia |
The eating or chewing of glass. Origin: hyalo-+ G. Phago, to eat (05 Mar 2000) |
hyalophane |
<chemical> A species of the feldspar group containing barium. See Feldspar. Origin: Gr. Glass + to appear. Source: Websters Dictionary (01 Mar 1998) |
hyalophobia |
<psychology> Morbid fear of glass objects. Synonym: crystallophobia. Origin: hyalo-+ G. Phobos, fear (05 Mar 2000) |
hyaloplasma |
The protoplasmic fluid substance of a cell. Origin: hyalo-+ G. Plasma, thing formed (05 Mar 2000) |
hyaloserositis |
Inflammation of a serous membrane with a fibrinous exudate that eventually becomes hyalinised, resulting in a relatively thick, dense, opaque, glistening, white or gray-white coating; when the process involves the visceral serous membranes of various organs, the grossly apparent condition is sometimes colloquially termed icing liver, sugar-coated spleen, frosted heart, and so on, depending on the site. Origin: hyalo-+ Mod. L. Serosa, serous membrane, + -itis, inflammation (05 Mar 2000) |
hyalosis |
Degenerative changes in the vitreous body. Origin: hyalo-+ G. -osis, condition (05 Mar 2000) |
hyalosome |
An oval or round structure within a cell nucleus that stains faintly but otherwise resembles a nucleolus. Origin: hyalo-+ G. Soma, body (05 Mar 2000) |
hyalospongia |
<zoology> An order of vitreous sponges, having glassy siX-rayed, siliceous spicules. Synonym: Hexactinellinae. Origin: NL, fr. Gr. Glass + a sponge. Source: Websters Dictionary (01 Mar 1998) |
hyalotype |
A photographic picture copied from the negative on glass; a photographic transparency. Origin: Gr. Glass + -type. Source: Websters Dictionary (01 Mar 1998) |
hyalurate |
A salt or ester of hyaluronic acid. Synonym: hyalurate. (05 Mar 2000) |
hyaluronate |
A salt or ester of hyaluronic acid. Synonym: hyalurate. (05 Mar 2000) |
hyaluronate lyase |
<enzyme> Also acts on chondroitin; formerly EC 4.2.99.1 Registry number: EC 4.2.2.1 Synonym: mucinase, spreading factor (26 Jun 1999) |
hyaluronic acid |
<biochemistry> Polymer composed of repeating dimeric units of glucuronic acid and N acetyl glucosamine. May be of extremely high molecular weight (up to several million daltons) and forms the core of complex proteoglycan aggregates found in extracellular matrix. (18 Nov 1997) |
hyaluronic acid synthetase |
<enzyme> Incorporation of glucuronic acid into hyaluronic acid from udp-glucuronic acid in the presence of udp-n-acetylglucosamine, EC 2.4.1.17 Registry number: EC 2.4.1.- Synonym: hyaluronate synthetase, hyaluronan synthetase, hyaluronate synthase (26 Jun 1999) |