Category: M
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Molecular pathology
The study of the pathological effects of specific molecules.
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Medical pathology
Pathology of disorders that are not accessible for surgical procedures.
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Muscular paralysis
Loss of the capacity of muscles to contract. It may be due to a structural or functional disorder in the muscle at the myoneural junction, in efferent nerve fibers, in cell bodies of nuclei of origin of the brain or of the gray matter of the spinal cord, in conducting pathways of the brain or…
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Mercurial palsy
Paralysis induced by mercury poisoning.
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Meroblastic ovum
An ovum in which only the protoplasmic region undergoes cleavage, characteristic in ova containing a large amount of yolk.
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Mature ovum
A secondary oocyte that has completed its second meiotic division as a result of contact with a sperm. The nucleus of the mature ovum becomes the female pronucleus.
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Mitral orifice
The opening between the left atrium and the left ventricle.
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Metastatic orchitis
Orchitis due to a bloodborne infection that spreads to the testicle.
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Metric ophthalmoscopy
The use of ophthalmoscopy to determine the refractive error of the lens of the eye.
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Medical ophthalmoscopy
The use of ophthalmoscopy to diagnose systemic disease.