Growth arrest lines can be a sign of chronic malnutrition during skeletal development. Basically your bones want to grow but lack the nutrients to accomplish it, and that leaves something like a tree ring at the end of the bones. Other things can cause them, too.
lord_wilmore t1_izjwwjn wrote
Reply to Can an x-ray of an adult show chronic malnourishment in childhood? by Foxs-In-A-Trenchcoat
Growth arrest lines can be a sign of chronic malnutrition during skeletal development. Basically your bones want to grow but lack the nutrients to accomplish it, and that leaves something like a tree ring at the end of the bones. Other things can cause them, too.
https://adc.bmj.com/content/79/3/260