See Also: Hajjah(tourism)
Hajjah hotels(tourism)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
ecological(dictionary)
ecological(dictionary)
ecological chemistry(medicine)
ecological system(medicine)
ecological ectocrine(medicine)
Ecological approach(health)
ecological fallacy(medicine)

ecological ectocrine (medicine) and Hajjah (tourism)


ecological ectocrine (medicine)


ecological ectocrine


A chemical substance that undergoes biosynthesis in one species and that exerts an effect on the function of another species through mechanisms of the external environment; e.g., the biosynthesis of vitamins by ruminants and their subsequent ingestion by Other animals.

See: ectohormone.


Hajjah (tourism)


Hajjah is a governorate (top level territorial administrative unit) of Yemen.