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An enterolith is a mineral concretion or calculus formed anywhere in the gastrointestinal system. Enteroliths are uncommon and usually incidental findings but, once found, they require at a minimum watchful waiting. If there is evidence of complications, they must be removed.
A concretion is a hard and compact mass formed by the precipitation of mineral cement within the spaces between particles, and is found in sedimentary rock or soil. [1] Concretions are often ovoid or spherical in shape, although irregular shapes also occur.
An earthdog test or earthdog trial tests the working ability and instinct of the small, often short-legged terriers or Dachshunds. [1] [2] [3] These dogs were bred to hunt vermin and other quarry which lived in underground dens. Earthdog den tests involve human-made tunnels that the dogs must navigate, while scenting a rat, "the quarry". The ...
This concretion was too high in the wall to place a ruler, but I estimate it to be about 400 mm long. Please take a look at additional two images, which help you to see the settings of the image better: The first image shows the beach wall with two concretions and the second image is the wide angle image of the wall This same wall has lots of ...
Our test dog is very good-natured and puts up with a lot, but she would not allow for the full swabbing time with any of the kits. This is a common experience, so doing some prep work before the ...
Field tests and hunt tests are non-competitive activities designed to test a gundog's natural hunting abilities in a field environment without the added pressure of competition. [ 19 ] [ 20 ] Unlike in field trials where dogs compete against each other, in hunt tests dogs compete to pass the requirements of the tests. [ 20 ]
Similar to the marine nodules, concretion layers are defined based on iron and manganese content as well as their combination. [2] High iron content nodules appear a red or brown color, while high manganese content appears black or grey. [2] The dominant metal oxide is related to the elements enriched in the nodule.
These concretions frequently preserve both hard and soft tissues of animal and plant materials, as well as many soft-bodied organisms that do not normally fossilize. The quality, quantity and diversity of fossils in the area, known since the mid-nineteenth century, make the Mazon Creek lagerstätte important to paleontologists attempting to ...