Individual differences |
Methods | Statistics | Clinical | Educational | Industrial | Professional items | World psychology |
Biological: Behavioural genetics · Evolutionary psychology · Neuroanatomy · Neurochemistry · Neuroendocrinology · Neuroscience · Psychoneuroimmunology · Physiological Psychology · Psychopharmacology (Index, Outline)
In varying degrees most mammals have some skin areas without natural hair. On the human body, glabrous skin is external skin that is naturally hairless. It is found on the ventral portion of the fingers, palmar surfaces of hands, soles of feet, lips, labia minora, and glans penis.