(statistics) the probability assigned to some parameter or to an event on the basis of its observed frequency in a sample, and calculated from a prior probability by Bayes’ theorem Compare prior probability See also empirical (sense 5)
- Posterior pyramid of medulla
posterior pyramid of medulla n. See fasciculus gracilis.
- Posterior rhinoscopy
posterior rhinoscopy n. Examination of the nasopharynx and posterior portion of the nasal cavity using a rhinoscope or a nasopharyngoscope.
- Posterior root
posterior root n. See dorsal root.
- Posterior scalene muscle
posterior scalene muscle n. A muscle with origin from the fourth to the sixth cervical vertebrae, with insertion into the second rib, with nerve supply from the cervical and brachial plexuses, and whose action elevates the second rib.