In contrast, the tumors of the hard palate have much more varied histology with non-squamous cell tumors, including minor salivary gland tumors, causing a greater portion of the tumors seen in the hard palate, as well as rare cases of melanoma, sarcoma and malignant lymphomas.
Based on ANSI X4.13, the LUHN formula (also known as the modulus 10 -- or mod 10 -- algorithm) is used to generate and/or validate and verify the accuracy of credit-card numbers. 1  Tweet.
Anatomy of your fingernail: the lunula or lunulae! August 12, 2009. The lunula, or lunulae (a.k.a. the ânail moonâ), is the crescent-shaped whitish area of the bed of a fingernail (or toenail). The lunula can also be described as the visible part of the nail matrix â which is the ârootâ of the nail.