1 This condition is considered a Treacher Collinsâtype autosomal recessive mandibulofacial dysostosis (OMIM 248390). 2  In addition, Richieri-Costa et al and Splendore et al reported siblings with similar Treacher Collins syndrome born to parents without the condition.
The definition of productive is someone or something with a lot of things completed or someone or something that is very fertile and has abundant results. 1  An example of something that would be described as productive is a machine that cans a large volume vegetables. An example of someone who would be described as productive is a person who completes a lot of work in a short amount of time.
Productivity is an average measure of the efficiency of production. It can be expressed as the ratio of output to inputs used in the production process, i.e. output per unit of input. When all outputs and inputs are included in the productivity measure it is called total productivity. Outputs and inputs are defined in the total productivity measure as their economic values.