You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Which layer of epidermis is underdeveloped in the VLBW infants in the initial 7 days? and explain in detail?
Ans. is 'd' ie., stratum corneum "Stratum corneum is permeable in preterm infants and becomes similar to the adults and in infants after two to three weeks of post natal maturation" - page 109, Physical diagnosis in neonatology: