Macadamia is a genus of four species of trees indigenous to Australia and constituting part of the plant family Proteaceae.They are native to north eastern New South Wales and central and south eastern Queensland.he species previously named in this Macadamia genus may still be referred to overall by the descriptive, non-scientific name of macadamia; their disjunct distributions and current scientific names are: 1  New Caledonia endemic genus Virotia in 1975 having only the type species, then by 2008 all six endemic species.
Hereditary sensory and autonomic neuropathy (HSAN) or hereditary sensory neuropathy (HSN) is a condition used to describe any of the types of this disease which inhibit sensation.enes related to Hereditary sensory and autonomic neuropathy Type 3 : Mutations in the IKBKAP gene cause familial dysautonomia. The IKBKAP gene provides instructions for making a protein called IKK complex-associated protein (IKAP). This protein is found in a variety of cells throughout the body, including brain cells.
Hereditary neuropathy with liability to pressure palsies is a disorder that affects peripheral nerves. These nerves connect the brain and spinal cord to muscles as well as sensory cells that detect touch, pain, and temperature. In people with this disorder, the peripheral nerves are unusually sensitive to pressure.