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Concept
Surface anatomy
Summary
Surface anatomy (also called superficial anatomy and visual anatomy) is the study of the external features of the body of an animal. In birds this is termed topography. Surface anatomy deals with anatomical features that can be studied by sight, without dissection. As such, it is a branch of gross anatomy, along with endoscopic and radiological anatomy. Surface anatomy is a descriptive science. In particular, in the case of human surface anatomy, these are the form and proportions of the human body and the surface landmarks which correspond to deeper structures hidden from view, both in static pose and in motion.
In addition, the science of surface anatomy includes the theories and systems of body proportions and related artistic canons. The study of surface anatomy is the basis for depicting the human body in classical art.
Some pseudo-sciences such as physiognomy, phrenology and palmistry rely on surface anatomy.
Knowledge of the surface anatomy of the thorax (chest) is particularly important because it is one of the areas most frequently subjected to physical examination, like auscultation and percussion. In cardiology, Erb's point refers to the third intercostal space on the left sternal border where S2 heart sound is best auscultated. Some sources include the fourth left interspace.
Human female breasts are located on the chest wall, most frequently between the second and sixth rib.
On the trunk of the body in the thoracic area, the shoulder in general is the acromial, while the curve of the shoulder is the deltoid.
The back as a general area is the dorsum or dorsal area, and the lower back as the limbus or lumbar region.
The shoulderblades are the scapular area and the breastbone is the sternal region.
The abdominal area is the region between the chest and the pelvis.
The breast is called the mamma or mammary, the armpit as the axilla and axillary, and the navel as the umbilicus and umbilical.
The pelvis is the lower torso, between the abdomen and the thighs.
The groin, where the thigh joins the trunk, are the inguen and inguinal area.
Official source
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