What are the homologies between nails, claws, and hooves across different animal species?

The nails are one of the components of the integumentary system in humans and animals. The nails are composed of a hard protein matrix called keratin. Your nails are more than just tiny canvases—they're indicators of your overall health. Designed with EDJY's board-certified dermatologist Garrett Coman, MD, MS, ... Apr 13, 2025 ... Did you know that rhino horns are not made of bone? They're actually made of keratin – the same material as human hair and fingernails! Jan 22, 2018 ... Fingernails are primarily comprised of the protein keratin. This structural protein is produced in large quantities by skin cells, and is also ... The symbolism of long nails and nail guards, from Confucius to Empress Cixi. Monument Fingernails, Washington DC. Place. United States (Artist's ... A work made of gelatin silver print. Quick Shift of the Head Leaves Glowing ... Jun 5, 2023 ... Have you ever wondered what your nails are made of, why fingernails grow faster than toenails, and what exactly is their function? Apr 24, 2024 ... Nails grow from a region at the base of the nail under the skin called the nail matrix. Here, new nail cells are made and packed together. Older ... Oct 13, 2009 ... “The stuff that makes hair” — a thready protein called keratin that also forms fingernails — “is produced by cells in the hair follicle. You ... Fingernail & Toenail Art ; Snake Art made from fake fingernails · Snake Sculpture · Cny Hampers ; Tim Hawkinson's Bird Skeleton made from human fingernails ...