In 1971, the term âadult Stillâs diseaseâ was used to describe a series of adult patients who had features similar to the children with systemic juvenile idiopathic arthritis and did not fulfill criteria for classic rheumatoid arthritis (RA) [2].
hatchling (plural hatchlings) A newly hatched bird, reptile or other animal that has emerged from an egg. The hatchling alligator had just broken out of its shell but was already trying to follow its mother, who hunted hatchling birds.
A seedling is a young plant sporophyte developing out of a plant embryo from a seed. Seedling development starts with germination of the seed. A typical young seedling consists of three main parts: the radicle (embryonic root), the hypocotyl (embryonic shoot), and the cotyledons (seed leaves).