Lower limb in Lecturio

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Hemorrhoids (Piles) — Symptoms and Treatment

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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...
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12 Cranial Nerves — Functions and Mnemonics

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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...
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Nerve Tissue: Brain

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In LECTURIO :) - Table of Contents Introduction to the Brain The Cerebrum The Cerebellum The Meninges The Spinal Cord References Image :  “Skull and brain normal human diagram”  by Patrick J. Lynch. License:  CC BY 2.5 Introduction to the Brain The brain is the central organ of the human nervous system along with the spinal cord. It is made up of: The cerebrum Diencephalon, consisting of thalamus, hypothalamus and pituitary gland The cerebellum The brainstem- consisting of midbrain, pons and medulla Image :  “Introduction to Brain Structures”  by BruceBlaus. License:  CC BY 3.0 The organ weighs about 1400 grams on average in an adult. It is housed and protected by the skull bones which include the: Parietal Frontal Occipital Ethmoid Sphenoid bone The bones of the face Image :  “Cranial sutures shown from the top of the head”  by Xxjamesxx. License:  CC BY-SA 3.0 At birth, the paired an...
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