Multiple choice

Corona radiata envelopes an egg and consists of two or three layers of cells from the follicle. Cells of corona radiata remain grouped together by ____________.

  1. pectin

  2. lipids

  3. hyaluronidase‎

  4. hyaluronic acid

  5. hyalogen

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Hyaluronic acid is a highly viscous mucopolysaccharide that holds cells together in corona radiata, lubricates body tissue, and blocks the spread of microorganisms. It is found in the skin, the vitreous humor of the eye, and the synovial fluid of the joints.