Sialolithiasis
Sialolithiasis is a condition where a calcified stone (sialolith) forms within a salivary gland. The salivary glands The salivary glands are exocrine glands that produce saliva and secrete it into the oral cavity. There are three main salivary glands and...
Muscle Relaxants for the MRCEM Exam
Neuromuscular blocking drugs used in anaesthesia are also known as muscle relaxants. By specific blockade of the neuromuscular junction, they enable light anaesthesia to be used with adequate relaxation of the muscles of the abdomen and diaphragm. They also relax the...
Urticaria
Urticaria is a superficial swelling of the skin (epidermis and mucous membranes) resulting in a red, raised, itchy rash that can be localised or widespread. Angio-oedema is a deeper form of urticaria that causes swelling in the dermis and submucosal or subcutaneous...
The Importance of a Good Night’s Sleep
“There is a time for many words, and there is also a time for sleep.” Homer, The Odyssey Pulling an ‘all-nighter’ On several occasions over the years, I have decided to ‘pull an all-nighter’ and stay up to study for an exam the following day. On some occasions, it...
The Descending Tracts
The descending tracts are pathways whereby motor signals travel from the brain to the lower motor neurons to innervate muscles and cause movement. There are no synapses in the descending pathways. All of the neurons in the descending tracts are upper motor neurons,...Products
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