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Because hyfrecation is always a relatively low-power modality, it can be used in some situations (such as very small nevus removal or skin tag removal) without local anaesthesia. In many other uses to destroy larger lesions, a local anesthetic injection or regional nerve block is used.
Gross anatomy (also called topographical anatomy, regional anatomy, or anthropotomy) is the study of anatomical structures that can be seen by the naked eye. [1] Microscopic anatomy is the study of minute anatomical structures assisted with microscopes , which includes histology (the study of the organization of tissues), [ 1 ] and cytology ...
2 Lacking features. Toggle Lacking features subsection. 2.1 Muscles. 2.2 Other. 3 Varying features. ... Index of anatomy articles; Outline of human anatomy; Cell ...
On the trunk of the body, the chest is referred to as the thoracic area. The shoulder in general is the acromial, while the curve of the shoulder is the deltoid.
In a typical mammalian body such as the human body, the external body orifices are: . The nostrils, for breathing and the associated sense of smell; The mouth, for eating, drinking, breathing, and vocalizations such as speech
[2] [3] [4] The scraping is then paused while an electrosurgical device like a hyfrecator is used next. Electrocoagulation (electrodesiccation) is performed over the raw surgical ulcer to denature a layer of the dermis and the curette is used again over the surgical ulcer to remove denatured dermis down to living tissue.
This is evident, for example, in the blowholes of numerous marine mammals. Many sphincters are used every day in the normal course of digestion . For example, the lower oesophageal sphincter (or cardiac sphincter), which resides at the top of the stomach , is closed most of the time, keeping acids and other stomach contents from pushing up and ...
Closeup of the trunk of an Asian elephant. Muscles provide the force to move a muscular hydrostat. Since muscles are only able to produce force by contracting and becoming shorter, different groups of muscles have to work against each other, with one group relaxing and lengthening as the other group provides the force by contracting.