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 (ecology) In ecology, productivity or production refers to the rate of generation of biomass in an ecosystem. It is usually expressed in units of mass per unit surface (or volume) per unit time, for instance grams per square metre per day (g mâ2 dâ1). The mass unit may relate to dry matter or to the mass of carbon generated.