High-level clouds: The three main types of high clouds are cirrus, cirrostratus, and cirrocumulus. Cirrus clouds are wispy, feathery, and composed entirely of ice crystals. … Finally, cirrocumulus clouds are layered clouds permeated with small cumuliform lumpiness. Are cirrocumulus clouds thin? Cirrocumulus clouds are thin, sometimes patchy, sheet-like clouds. TheyRead More →
Hummocky beds vary in thickness from a few centimetres to 5 or 6 m; bed sets may be tens of metres thick. Hummocky stratification apparently is formed most commonly by redeposition below normal fair-weather wave base of fine sand delivered offshore by flooding rivers and scour of the shoreface orRead More →
Herpes Simplex Virus (Cold sore virus). The first infection can be severe. It can cause 10 or more ulcers on the gums, tongue and lips. Key findings are additional ulcers on the outer lips or skin around the mouth. Also, fever and difficulty swallowing. What helps blisters inside mouth? HowRead More →
Severe stress due to major surgery, injury, burns or severe infections can cause acute gastritis. Your own body attacking cells in your stomach. Called autoimmune gastritis, this type of gastritis occurs when your body attacks the cells that make up your stomach lining. How do doctors check for stomach inflammation?Read More →
Bronchial breath sounds are tubular, hollow sounds which are heard when auscultating over the large airways (e.g. second and third intercostal spaces). They will be louder and higher-pitched than vesicular breath sounds. What causes bronchial breath sounds in pneumonia? Crackles occur if the small air sacs in the lungs fillRead More →
Porphyritic rocks may be aphanites or extrusive rock, with large crystals or phenocrysts floating in a fine-grained groundmass of non-visible crystals, as in a porphyritic basalt, or phanerites or intrusive rock, with individual crystals of the groundmass easily distinguished with the eye, but one group of crystals … What rocksRead More →
The redness of palmar erythema is due to increased dilatation of surface capillaries in the hand. The degree of redness is often related to the severity of any underlying disease (if present). In many cases, this can be related to the amount of circulating oestrogen. What hormone causes palmar erythema?Read More →
Since the magnetic quantum number is dependent on azimuthal quantum number, its value ranges from – to +, including 0. For example, s sub-shell has only one orbital, the p sub-shell has 3 and d has 5, and so on. How is magnetic quantum number proposed? Magnetic quantum number wasRead More →