Hemorrhoids cushions are normal structures of the lower rectum. They are very vascular and pathology develops when that vasculature becomes engorged (especially the veins). Itching and pain are common symptoms of hemorrhoid pathology. Hemorrhoids are classified on their origin relative to the dentate line: external (below the dentate line), internal (above the dentate line), and prolapsed internal hemorrhoids. Most hemorrhoids are treated with dietary modification (increase fiber) and stool softeners, but occasionally surgery is required. Table of Contents Definition of Hemorrhoids Epidemiology of Hemorrhoids Etiology of Hemorrhoids Pathology and Pathophysiology of Hemorrhoids Symptoms of Hemorrhoids Diagnosis of Hemorrhoids Differential Diagnoses of Hemorrhoids Therapy of Hemorrhoids Progression and Prognosis of Hemorrhoids Review Questions References Image : “Types of hemorrhoids” by WikipedianProlific and Mikae...
In Lecturio :) In comparison to the upper extremities, in particular, the forearm, the muscles of the lower leg and foot are so much easier to learn for the medical student. Their grouping is simple, and the muscles themselves can be very well distinguished according to their function in the foot. Besides thorough descriptions, this article provides a clear chart of all the muscles and their groups. This chart can be used as a flash card for studying. Table of Contents Dorsiflexor Muscles of the Upper Ankle Joint Plantar Flexors of the Upper Ankle Joint Pronators (or Abductors) of the Lower Ankle Joint Supinators (or Adductors) of the Lower Ankle Joint Muscles of the Dorsum of the Foot Muscles of the Sole of the Foot Muscles of the Hallux Muscles of the Little Toe Review Questions References Image : “feet” by kaetred. License: CC BY 2.0 Dorsiflexor Muscles of the Upper Ankle Joint The muscles of the anterior (extensor) compartme...
In Lecturio ;) - During puberty, a child’s body matures into the body of an adult. During this process, pathological faults can occur. An early onset of puberty might, for example, cause dwarfism. Psychological stress of the patients is not negligible and should be taken into consideration in medical consultation. The following article provides soon-to-be physicians with a summary of puberty and its malfunctions, so that a correct diagnosis and treatment can be conducted. Image left and right : „Tanner scale – women” und „Tanner-scale – men“ by M•Komorniczak. License: CC BY-SA 3.0 Puberty Definition of puberty The word puberty derives from the Latin word “ pubertas” and means sexual maturity. It covers the period of time from the first appearance of secondary sexual characteristics until achieving full fertility. Onset of puberty Over the years, the median age at the onset of puberty has decreased furth...
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