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.
There are different ways to refer to young birds. One way is by their age. A hatchling is a baby bird that has only recently hatched, and has little or no body covering.A nestling refers to a baby bird that is several days old and is covered with down. Fledgling is the term given to a young bird that is still in the nest, but which has grown most of its flight feathers.It is on the verge of leaving the nest.Often the next stage is juvenile, which is in between the stage of having left the nest, but is not yet a mature adult. hatchling is a baby bird that has only recently hatched, and has little or no body covering. A nestling refers to a baby bird that is several days old and is covered with down. Fledgling is the term given to a young bird that is still in the nest, but which has grown most of its flight feathers.