Skin infections and wrestling of the skin, and is surrounded by a thick layer of calloused skin. Depending on the development of the Verrucae, the surface may show signs of blood vessels, which feed the infection. Tinea infections, more commonly known as Ringworm, are the most common skin infections transmitted through wrestling. It is caused by parasitic fungi that survive on keratin, an organic material that is found in skin, hair, and nails. There are several varieties of Tinea, which are classified depending on their location. Tinea corporis is found on the body, tinea cruris (jock itch) on the groin, tinea capitis on the
Development of the nervous system in humans matter). Nerve fibers emerge from these neuroblasts to form the marginal layer (the white matter). The ventral part of the mantle layer (the basal plates) forms the motor areas of the spinal cord, whilst the dorsal part (the alar plates) forms the sensory areas. Between the basal and alar plates is an intermediate layer that contains neurons of the autonomic nervous system. Late in the fourth week, the superior part of the neural tube flexes at the level of the future midbrain—the mesencephalon. Above the mesencephalon is the prosencephalon (future forebrain) and beneath it is the rhombencephalon (future hindbrain). The