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Different types of anatomy. 1  Gross anatomy involves anything that could be seen with your unaided eye. 2  Surface anatomy is a subset of gross anatomy that is anything that can be revealed on the skin. 3  Microscopic anatomy is known as histology which is the study of tissues.
There are two types of nosebleeds: 1  Anterior nosebleedâblood coming from the front of the nose, usually the semi-rigid walls that separate the two nostrils (most common type of nosebleed) 2  Posterior nosebleedâbleeding starts deep within the nose; often more difficult to treat and more severe than an anterior nosebleed.