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.
At the time of the marriage, the Prophet SAW was twenty-five years old, while Khadijah was forty years old. She was the Prophetâs SAW first wife, and the only woman whom he married prior to his prophethood. Another remarkable fact about this marriage is that the Prophet SAW married no other until after her death.n another incident, Aisha narrated that the Messenger of Allah was sitting down with Khadijah shortly after the first revelation. He then saw a person between the heaven and the earth and told Khadijah what he saw.