mandibular fossa a depression in the inferior surface of the pars squamosa of the temporal bone at the base of the zygomatic process, in which the condyle of the mandible rests; called also glenoid fossa.
Khadijah or KhadÄ«ja bint Khuwaylid (Arabic: Ø®Ø¯ÙØ¬Ø© Ø¨ÙØª Ø®ÙÙÙØ¯ â) or KhadÄ«ja al-Kubra (Khadija the great) (c. 555 or 567 â 620 CE) was the first wife of the Islamic prophet Muhammad.She is commonly regarded by Muslims as the  mother of the Believers i.e.Muslims , and was the first person to convert to Islam.hadija did not travel with her trade caravans; she employed others to trade on her behalf for a commission. In 595 Khadija needed an agent for a transaction in Syria. Abu Talib ibn 'Abd al-Muttalib recommended her distant cousin Muhammad ibn Abdullah.
Khadija's grandfather, Asad ibn Abd-al-Uzza, was the progenitor of the Asad clan of the Quraysh tribe in Mecca. Her father, Khuwaylid ibn Asad, was a merchant According to some traditions, he died c.585; but according to others, he was still alive when Khadija married Muhammad in 595.uhammad and Khadija were married monogamously for twenty-five years. This monogamous marriage contrasts with Muhammad's later practice of polygyny after Khadijah's death. Muhammad's youngest wife, Aisha, was to be jealous of the affection and loyalty that Muhammad maintained for Khadija even after her death.