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Seal finger was first described scientifically in 1907. [4] [5] It can cause cellulitis, joint inflammation, and swelling of the bone marrow; untreated, the course of "seal finger" is slow and results often in thickened contracted joint. [3] Historically, seal finger was treated by amputation of the affected digits once they became unusable.
Swimmers have been warned to give seals their distance amid fears of a “seal finger” infection if bitten by the aquatic mammals that are ... The animals can dive below the ocean’s surface ...
Seal finger is caused by the necrotic bacteria on their teeth [PA Media] People who get too close to a seal are at risk of a "nasty" blood infection linked to the creature if they get bitten ...
Breaking swell waves at Hermosa Beach, California. A swell, also sometimes referred to as ground swell, in the context of an ocean, sea or lake, is a series of mechanical waves that propagate along the interface between water and air under the predominating influence of gravity, and thus are often referred to as surface gravity waves.
It has also been called depth intoxication, “narks,” and rapture of the deep. It can cause a decrease in the diver's ability to make judgements or calculations. It can also decrease motor skills, and worsen performance in tasks requiring manual dexterity. [10] As depth increases, so does the pressure and hence the severity of the narcosis.
Swelling can also signal something more serious; some people with psoriasis get psoriatic arthritis, which can cause finger swelling; people who have had lymph nodes removed can also have a ...
A recent research focused on the causes of Kallakkadal events [2] has established the link between North Indian Ocean high swell events and the meteorological conditions in the Southern Ocean using a combination of ocean wave observations and numerical model simulations. The study confirms that Kallakkadal events are caused by swells ...
The ocean and aquatic environment is described by oceanography and limnology. These are directly influenced by aspects of geology, weather and climate. The underwater environment is inhabited by organisms of great diversity, some of which may be hazardous to the diver, or affect the dive in some way.