More early signs of pregnancy include an aching head, a result of changes in hormones. Just in case you are indeed pregnant, take pg-safe acetaminophen instead of ibuprofen to deal with the pain.
Organs Without Dual Innervation. Although most organs are innervated by both sympathetic and parasympathetic nerves, some-including the adrenal medulla, arrector pili muscles, sweat glands, and most blood vessels-receive only sympathetic innervation.
The remaining muscles in the anterior forearm are innervated by the median nerve. The Hand. The majority of the intrinsic hand muscles are innervated by the deep branch of the ulnar nerve. The hypothenar muscles (a group of muscles associated with the little finger) are innervated by the ulnar nerve.