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 Mikael Häggström. License: CC BY-SA 3.0 Definit
Crania l nerves emerge directly via the spinal cord from the bony skull because they supply cranial structures or fulfill specific functions. During medical studies, cranial nerves are an essential element of the subjects of the brain and the nervous system. In the following, you will find a concise overview of the classification, the functions and the course of the 12 cranial nerves. Table of Contents Classification of Cranial Nerves List of Cranial Nerves Cranial nerve I: Olfactory Nerve Cranial nerve II: Optic Nerve Cranial Nerve III: Oculomotor Nerve Cranial Nerve IV: Trochlear Nerve Cranial Nerve V: Trigeminal Nerve Cranial Nerve VI: Abducent Nerve Cranial Nerve VII: Facial Nerve Cranial Nerve VIII: Vestibulocochlear Nerve Cranial Nerve IX: Glossopharyngeal Nerve Cranial Nerve X: Vagus Nerve Cranial Nerve XI: Accessory Nerve Cranial Nerve XII: Hypoglossal Nerve Overview of the 12 cranial nerves Review Questions References Image : “Cranial Nerves” by Br
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) compartment of the leg are respo
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