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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Mucopolysaccharide which function as a lubricant and shock absorber in synovial fluid is
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The correct answer is  Hyaluronic Acid:
Hyaluronic acid is an important GAG found in the ground substance of synovial fluid of joints and vitreous humor of eyes. It is also present as a ground substance in connective tissues and forms a gel around the ovum. Hyaluronic acid serves as a lubricant and shock absorbent in joints.