The pyramid-shaped maxillary sinus (or antrum of Highmore) is the largest of the paranasal sinuses, located in the maxilla. It drains into the middle meatus of the nose [1] [2] through the semilunar hiatus. It is located to the side of the nasal cavity, and below the orbit. [2]

2021年3月23日 · The maxillary sinus is located in the maxillary bone, which allows a direct link between the sinus and the oral cavity. The buccal root of the maxillary molars commonly protrudes into the maxillary sinus.

2018年1月22日 · The maxillary sinus is the largest of the paranasal sinuses. The two maxillary sinuses are located below the cheeks, above the teeth and on the sides of the nose.

2024年8月15日 · Where are my paranasal sinuses located? There are four paranasal sinus cavities. They’re paired, so you have one on the left side of your face and one on the right side. Each is named after the facial bone where it’s located.

2025年1月14日 · The maxillary sinus (or antrum of Highmore) is a paired pyramid-shaped paranasal sinus within the maxillary bone which drains via the maxillary ostium into the infundibulum, then through hiatus semilunaris into the middle meatus. It is the largest of the paranasal sinuses.

2023年10月30日 · The maxillary sinus is the largest paranasal sinus situated in the body of the maxilla. The maxillary sinus is connected with the middle nasal meatus via the maxillary ostium. The maxillary sinus is bordered by three main walls: The floor – is composed by the alveolar process of the maxilla.

2020年10月18日 · The maxillary sinus is one of the four paranasal sinuses found near the nose that drains into the middle meatus via the osteomeatal complex. There are actually two maxillary sinuses, both located in the maxilla, which is the fixed upper bone of the jaw formed by two maxillary bones fusing together.

2025年1月18日 · The maxillary sinus, also known as the maxillary antrum or the antrum of Highmore, is a large, air-filled cavity located within the maxilla, the upper jaw bone.[8] It is one of the four pairs of paranasal sinuses found in the human skull, along with the frontal, ethmoid, and sphenoid sinuses.

2021年4月1日 · They are located laterally and slightly inferiorly to the nasal cavities. They drain into the nasal cavity at the hiatus semilunaris, underneath the frontal sinus opening. This is a potential pathway for spread of infection – fluid draining from …

The maxillary sinus, or antrum of Highmore, lies within the body of the maxillary bone and is the largest and first to develop of the paranasal sinuses. The alveolar process of the maxilla supports the dentition and forms the inferior boundary of the sinus.