<prompt> Which layer of epidermis is underdeveloped in the VLBW infants in the initial 7 days?Stratum germinativum.Stratum granulosumStratum lucidumStratum corneum  <response>: 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: 