You are suffering from arachnophobia. Your therapist first has you go through relaxation training, then has you construct a fear hierarchy and, finally, has you go through a phase of graded pairings of spiders and relaxation responses. This approach is called <em><u>systematic desensitization.</u></em>
Sphenoid bone spans the width of the cranial floor; keystone of the cranium <span>because its central wedge articulates with every other cranial bone </span>
