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There are anal cushions located in the upper anal canal at three different sites. The anal cushions contain connections between the rectal arteries and the veins, which are very vascular and supported by smooth muscle and connective tissue. Along with internal and external sphincters, they help to control the anal continent. Sometimes, due to specific reasons, these blood vessels get swollen and enlarged and form Hemorrhoids. There are two types of hemorrhoids, internal and external hemorrhoids are defined by the location relative to the dentate line. Hemorrhoids above the dentate line are known as internal hemorrhoids, and if the hemorrhoids are below the dentate line known as external hemorrhoids. 3dmedicalanimation copyrighted_by_Dandelion _Team Fertilization medical animation we all won this race! What role does sperm structure play in fertilization? ovulation and menstrual cycle often called period The effect of Tied umbilical cord in twins High Blood Pressure Hypertension How your body turns food into the poo Human digestion system in human beings food digestion is the story of how your food ends up as a poo 3d medical animation dandelion team coronary angiogram Micro Needle|3d medical animation|sample use only heart valve replacement 3d medical animation|sample use only|dandelion team short videos how long does it take for the body to digest food? The world of inside a bone What Part of the Brain Controls Emotions? small intestine copyright by Dandelion Team
