tonus n. a continuous, slight stretching tension or contrac...
ephedra n. a bushy shrub (Ephedra sinica), known to Chinese...
callosal gyrus see cingulate cortex.
pictophilia n. sexual interest in and arousal by viewing er...
industry versus inferiority the fourth of Erikson’s eight s...
birth rite a culture-bound ceremony, religious ritual, or o...