The brain lies within the cranial cavity – the large hollow area in the upper part of the skull. The bone of the skull protects the delicate brain tissue. Only narrow passages in the bottom of the cranial cavity allows the nerves, blood vessels and lymphatic vessels to travel to and from the brain. Therefore the >> Read More ...
What is proctitis? Proctitis is the medical term for inflammation of the inner lining of the rectum, the portion of the large bowel between the sigmoid colon and anus. The rectum usually fills with feces just before the start of defecation and then contracts to evacuate the feces down the anal canal and out of the anus. >> Read More ...
What is cerebrospinal fluid? Cerebrospinal fluid (CSF) is a clear fluid that surrounds the brain and spinal cord. There is about 150 milliliters of CSF within the cerebral cavity that encloses the brain and spinal cord which allows the brain to “float” in the fluid. Formation of Cerebrospinal Fluid (CSF) Most >> Read More ...
Passing stool should be neither a painful, nor a difficult process. With a healthy bowel movement, the passage of stool will require minimal to moderate effort. Straining to defecate, painful intestinal cramps and pain while defecating are abnormal and can be an indication of various disorders affecting the large bowel, >> Read More ...
Blood flow to the brain (cerebral blood flow) is essential to maintain consciousness and many vital functions. Unlike certain other parts of the body, a few seconds without blood flow will not be detrimental to functioning but in the brain, a lack of blood flow for even just 10 seconds will lead to unconsciousness. The >> Read More ...
What is Dishydrotic Eczema? Dyshidrotic eczema, also known as pompholyx, is a type of eczema characterized by the presence of vesicles (small blisters) or bullae (large blisters) on the hands and feet. This is usually chronic – persistent or recurrent. These vesicles (less than 5 mm in diameter) or bullae (greater >> Read More ...
The epidermis of the skin has a number of appendages which maintains the integrity of the skin and help it carry out its various functions. The hair follicles, sweat and sebaceous glands are epidermal structures which are pushed into the dermis where it is rooted. Without these appendages, a number of functions of the skin >> Read More ...
What is eczema? Eczema refers to any skin inflammation and irritation where the skin becomes dry, rough to touch and usually red and peeling. The most common type of eczema is atopic dermatitis often seen in babies and young children with allergies. The term eczema is widely used to describe a number of skin rashes. It is >> Read More ...
