The adrenal medulla is the principal site of the conversion of the amino acid tyrosine into the catecholamines; epinephrine, norepinephrine, and dopamine
The adrenal medulla (Latin: medulla glandulae suprarenalis) is part of the adrenal gland. It is located at the center of the gland, being surrounded by the adrenal cortex. I
Ants and aphids
Some species of ants farm aphids, protecting them on the plants where they are feeding, and consuming the honeydew the aphids release from the terminations of t
Ant-mimicking Orthoptera: Crickets, grasshoppers etc.
Batesian mimicry Young instars of some Orthoptera, such as the bush cricket Macroxiphus sumatranus, have an “uncanny resemblance” to ants, extending to their black