In this article we will discuss about the meaning, parts and surfaces of frontal bone which belongs to human skull. Meaning and Parts of Frontal Bone: This is a membrane bone, forms forehead and lodges frontal air sinus, i.e., pneumatic bone. Parts: Three parts are: 1. Squamous part 2. Orbital plates are on either side 3. Nasal part. I. Squamous [...]
In this article we will discuss about:- 1. Anatomical Structure and Surfaces of Parietal Bones 2. Angles of the Parietal Bones 3. Parts. Anatomical Structure and Surfaces of Parietal Bones: There are two parietal bones present on the top of skull, develops from membrane. Each bone comes in contact - to all the lobes of cerebral hemisphere. It has two [...]
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. [...]