Schrader valves, seen on mountain bikes, kidsâ bikes and all types of casual riding bikes, are the same valve type you will see on automobile tires. The valve body is shorter than that of a Presta, and the depressible pin sits inside the valve stem rather than on top of it.
Papilledema refers to swelling of the optic disc from increased intracranial pressure (ICP)]. It must be distinguished from optic disc swelling from other causes which is simply termed optic disc edema. Papilledema must also be distinguished from pseudo-papilledema such as optic disc drusen. Since the root cause of papilledema is increased intracranial pressure (ICP) this is an alarming sign which may presage such entities as brain tumor, CNS inflammation, or idiopathic intracranial hypertension (IIH). Etiology
Making the world better, one answer at a time. Accumulation of pus in a preexisting body cavity is called an empyema. If the collection of pus is NOT in a preexisting body cavity, or is due to an infection or a foreign body, then it can be called an abscess if it is contained by a complete fibrous capsule.Often, if not further delimited, empyema refers to a plueral empyema.mpyema means the collection of pus within a body cavity but when you are talking about the pleural cavity it is another word, pyothorax. Pyothorax is the correct term to use â¦ when you are talking about the accumulation of pus in the pleural cavity.