<Dl> <Dd> <Dl> <Dd> Composed mainly of proliferating and non-proliferating keratinocytes, attached to the basement membrane by hemidesmosomes . Melanocytes are present, connected to numerous keratinocytes in this and other strata through dendrites . Merkel cells are also found in the stratum basale with large numbers in touch - sensitive sites such as the fingertips and lips . They are closely associated with cutaneous nerves and seem to be involved in light touch sensation . </Dd> </Dl> </Dd> </Dl> <Dd> <Dl> <Dd> Composed mainly of proliferating and non-proliferating keratinocytes, attached to the basement membrane by hemidesmosomes . Melanocytes are present, connected to numerous keratinocytes in this and other strata through dendrites . Merkel cells are also found in the stratum basale with large numbers in touch - sensitive sites such as the fingertips and lips . They are closely associated with cutaneous nerves and seem to be involved in light touch sensation . </Dd> </Dl> </Dd> <Dl> <Dd> Composed mainly of proliferating and non-proliferating keratinocytes, attached to the basement membrane by hemidesmosomes . Melanocytes are present, connected to numerous keratinocytes in this and other strata through dendrites . Merkel cells are also found in the stratum basale with large numbers in touch - sensitive sites such as the fingertips and lips . They are closely associated with cutaneous nerves and seem to be involved in light touch sensation . </Dd> </Dl> <Dd> Composed mainly of proliferating and non-proliferating keratinocytes, attached to the basement membrane by hemidesmosomes . Melanocytes are present, connected to numerous keratinocytes in this and other strata through dendrites . Merkel cells are also found in the stratum basale with large numbers in touch - sensitive sites such as the fingertips and lips . They are closely associated with cutaneous nerves and seem to be involved in light touch sensation . </Dd>

What is the thickest layer of the epidermis