. punctiform spot or mark on the skin (see mark and nevus). 2

A red spot on the skin with an elevated efflorescence at its center; an umbo. 3. A characteristic. 4. In botany, that part of the pistil of a flower which lacks the epidermis and receives the pollen. 5. Any mark or distinguishing feature, especially or defect of the nervous system, hysterical stigmata. Psychical or somatic stigmata indicative of neurasthenia. physical stigmata of degeneration. Certain variations from the normal type in the configuration of the skull, extremities, or other portions of the body, indicating a low or vicious type of mental development, stigmata degeneration is. See physical stigmata of degeneration, s. folliculi. A small non-vascular spot (the macula) near the middle of the thinner and more projecting part of a maturing graafian vesicle, formed by the convergence of minute blood ve els, s. of the graafian vesicle. See s. folliculi. [Gr., stigma, mark.]