prolan
/ˈprəʊlan/Physiology. Now rare or disused
noun
Any of several female gonadotrophic hormones, especially human chorionic gonadotropin.
- Prolan A: follicle-stimulating hormone. Prolan B: luteinizing hormone..
Origin
1930s; earliest use found in Biological Abstracts. From German Prolan from classical Latin prōlēs + German -an.