Spring is one of the four conventional temperate seasons, following winter and preceding summer.
The peripheral nervous system (PNS, or occasionally PeNS) is the part of the nervous system consisting of the nerves and ganglia outside of the brain and spinal cord.
Usain St. Leo Bolt is a Jamaican sprinter widely regarded as the fastest person ever.
Hypoplasia is underdevelopment or incomplete development of a tissue or organ.
Ants form symbiotic associations with a range of species, including other ant species, other insects, plants, and fungi.
Hassall's corpuscles (or thymic corpuscles (bodies)) are structures found in the medulla of the human thymus, formed from eosinophilic type VI epithelial reticular cells arranged concentrically.
The cult of the Apis bull started at the very beginning of Egyptian history, probably as a fertility god connected to grain and the herds. In a funerary context, the Apis was a protector of the deceased, and linked to the pharaoh.
In Greek mythology, Tartarus is both a deity and a place in the underworld. In ancient Orphic sources and in the mystery schools, Tartarus is also the unbounded first-existing entity from which the Light and the cosmos are born.
Granit is a common type of intrusive, felsic, igneous rock which is granular and phaneritic in texture.