albuminoid

/æl'bju:minɔid/

Thân thiện

The scientist examines the albuminoid structure under a microscope.

Definition

1. Noun:
   • A simple protein found in horny and cartilaginous tissues and in the lens of the eye: An albuminoid is a type of scleroprotein, a fibrous protein that is insoluble in water and serves a structural or protective function in connective tissues, cartilage, and the eye.

Examples of Usage

• Noun:
  • Keratin, an albuminoid, is the primary component of hair and nails.
  • Collagen is another important albuminoid that provides structure to skin and bones.
  • The transparency of the eye lens depends on the specific arrangement of its albuminoid proteins.

Advanced Usage

• Scientific Context: In biochemistry, "albuminoid" is a somewhat dated term for scleroproteins or fibrous proteins, often used in histological descriptions.
  • Early 20th-century texts often classified structural proteins as albuminoids.

Variants and Related Words

• Scleroprotein (n): The modern biochemical term for fibrous, structural proteins like keratin and collagen, synonymous with albuminoid.
• Albuminous (adj): Relating to or containing albumin, a different class of soluble proteins. (Note: This is a related but distinct term).

Synonyms

• Scleroprotein: Fibrous protein.
• Fibrous protein: Insoluble structural protein.

Related Phrases

• Albuminoid substance: A phrase used to describe the proteinaceous material in supportive tissues.
  • The matrix was found to contain an albuminoid substance.

Related Idioms

(This term is highly technical and scientific; it is not commonly used in idiomatic expressions.)

Học thuật

Noun

1. a simple protein found in horny and cartilaginous tissues and in the lens of the eye

Từ đồng nghĩa

• scleroprotein