Intra/Extraperitoneal compartments and further subdivision. Greater/Lesser Sac (abdomen)
Neck compartments - by fascial envelopes
Tissues forming anatomical 'walls' are organised into layers.
Derived from: Skin, Fat, Connective Tissue, Muscles, Epithelial Layer. In a SEQUENTIAL order.
Muscles of body wall
3 Layers of muscles make up body wall. Encircle the body cavity, muscle fibres lie in different slopes of obliquity.