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The lunula (pl.: lunulae; from Latin 'little moon') is the crescent-shaped whitish area of the bed of a fingernail or toenail. In humans, it appears by week 14 [ 1 ] of gestation , and has a primary structural role in defining the free edge of the distal nail plate (the part of the nail that grows outward).
The lunula ("small moon") is the visible part of the matrix, the whitish crescent-shaped base of the visible nail. The lunula can best be seen in the thumb and may not be visible in the little finger. The lunula appears white due to a reflection of light at the point where the nail matrix and nail bed meet.
Its function is to protect the area between the nail and epidermis from exposure to bacteria. The vascularization pattern is similar to that of perionychium. [2] In hoofed animals, the eponychium is the deciduous hoof capsule in fetuses and newborn foals, and is a part of the permanent hoof in older animals. [3]
A gold lunula (pl. gold lunulae) was a distinctive type of late Neolithic, Chalcolithic, and—most often—early Bronze Age necklace, collar, or pectoral shaped like a crescent moon. Most are from Prehistoric Ireland . [ 1 ]
On Sunday, Clark will have her jersey number 22 retired in a ceremony at Carver-Hawkeye Arena after Iowa’s game against No. 4 USC. For the Hawkeyes, the first season without Clark has been ...
The classification of drugs have been around since 1964 after Sir James Black discovered how they can assist people with heart disease.
Around 1,500 gold objects dating to the Bronze Age survive in collections, around 1000 of them from Ireland and the other 500 from Britain; this is a much smaller number than would have been originally crafted, leading archaeologists to believe that "many thousands of gold objects were made and used" in the Bronze Age British Isles. [1]
Unprovoked attacks by sharks declined sharply in 2024, according to new figures from an international database compiled by the Florida Museum of Natural History.