system
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
Phocomelia is best described as -
assistant
The correct answer is  Phocomelia :- Entire central portion of limb is absent. For example, complete forearm (radius and ulna) is absent and the hand is attached to arm.