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Harrison's groove, also known as Harrison's sulcus, is a horizontal groove along the lower border of the thorax corresponding to the costal insertion of the diaphragm; it is usually caused by chronic asthma or obstructive respiratory disease. It may also appear in rickets because of defective mineralisation of the bones by calcium necessary to ...
The prominent knobs of bone at the costochondral joints of rickets patients are known as a rachitic rosary or beading of the ribs.The knobs create the appearance of large beads under the skin of the rib cage, hence the name by analogy with the beads of a Catholic Christian rosary.
The disease is spread by various Amblyomma ticks, and has a large economic impact on cattle production in affected areas. There are four documented manifestations of the disease, these are acute, peracute, subacute, and a mild form known as heartwater fever.
The state is trying to track the spread of the illness carried by the Asian Longhorned tick.
Sweating sickness is "an acute, febrile, tickborne toxicosis characterized mainly by a profuse, moist eczema and hyperemia of the skin and visible mucous membranes." [1] It affects cattle, mainly calves, [2] mostly in southern and eastern Africa.
Bovine respiratory disease (BRD) is the most common and economically devastating infectious disease affecting beef cattle in the world. [1] It is a complex, bacterial or viral infection that causes pneumonia in calves which can be fatal. It also affects many other species of feedlot animals like sheep and pigs, but is most prominent in calves. [2]
After working as a research student from 1905 to 1907, Mellanby studied medicine at St. Thomas's Hospital in London, and in 1913 became a medical doctor. He served as a lecturer at King's College for Women in London from 1913 to 1920, during which time he was asked to investigate the cause of rickets.
Babesia bovis is an Apicomplexan single-celled parasite of cattle which occasionally infects humans. The disease it and other members of the genus Babesia cause is a hemolytic anemia known as babesiosis and colloquially called Texas cattle fever, redwater or piroplasmosis.