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.
noun. A collection of eggs from different birds. A collection of eggs from different birds. The definition of an egg is the female reproductive cell in many animals or the thin-shelled oval body laid by hens and other animals. An example of an egg is what gets fertilized during a female's ovulation.