"Pthiremia" is a rare word that refers to a medical condition involving the presence of lice in the scalp or body hair. The spelling of this word can be explained using IPA phonetic transcription as /θaɪˈriːmiə/, with the "p" being silent. The initial letter "p" is often added to the spelling of certain medical terms for historical or etymological reasons. However, it does not affect the pronunciation of the word. Proper spelling is important in the medical field to ensure accurate communication and avoid misunderstandings.
A morbid state of the blood.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.