In this article we will discuss about the various parts of sphenoid bone which belongs to human skull. It resembles a bat or butterfly with outstretched wings. It takes part in the formation of orbit, middle cranial fossa, infra temporal, temporal and pterygopalatine fossae. It is a pneumatic bone - containing sphenoidal air sinus in its body. Parts of the [...]
In this article we will discuss about the temporal and infra temporal fossa of human face. Temporal Fossa of the Human Face: Boundaries: It is bounded: Anteriorly – Zygomatic process of frontal bone and frontal process of zygomatic bone. Posteriorly – Temporal line. Superiorly – Superior temporal line. Inferiorly – Zygomatic arch. Floor – Parts of - frontal, parietal, temporal [...]
The human body has got several mechanisms to combat infections due to pathogenic organisms. It should be realised that many harmless organisms live in symbiosis in our body in the upper respiratory tract, in the lower bowels and in the skin. These may occasionally infect the tissues when the resistance is extremely low or viral infections have devitalised mucosal membrane. [...]