preferred_name: Foreign material, such as corneocytes, bacteria, sebum products, and hair accumulated in the dermis
preferred_name_lc: foreign material, such as corneocytes, bacteria, sebum products, and hair accumulated in the dermis
label: Foreign material, such as corneocytes, bacteria, sebum products, and hair accumulated in the dermis
label_lc: foreign material, such as corneocytes, bacteria, sebum products, and hair accumulated in the dermis