A species is often defined as the largest group of organisms where two hybrids are capable of reproducing fertile offspring, typically using sexual reproduction, although the species problem encompasses a series of difficult related questions that often come up when biologists define the word species.
What does cuticle mean in Urban Dictionary?: a cuticle is some vibrant thing between your bottom of the nail plus epidermis. Some individuals have actually cuticles that grow up pretty far onto theirâ¦
Nail Cuticle. 1  Also known as the eponychium, it is the part of the skin that overlaps onto the proximal part of the nail plate. 2  It provides some, although minor, support for the nail plate but more importantly, the cuticle seals the nail sinus to prevent injury and infection of the nail root or matrix.his the largest part of the nail and is composed of laminated layers of keratin. It is similar in structure to human hair and skin and is made up of dead cells. Ask a Doctor Online Now! The proximal edge of the nail plate is the nail root which emanates from the nail sinus.