Abdomen

what is the developmental basis for the absence of deep fascia in the abdomen?

Fascia is a general term that can apply to different types of connective tissue.

In the common anatomical usage, deep fascia simply refers to the fibrous connective tissue immediately surrounding (or "investing") skeletal muscle. In contrast, superficial fascia can be simply thought of as the layer of fatty connective tissue that lies between skin and the skeletal muscles beneath.

Is it true that men have one more rib bone than women and if so, how many do each of us have?

Very interesting question.  Strictly speaking from an anatomical perspective, both males and females only have 12 pairs of ribs (24 single ribs).  The ribs begin in the thoracic spine region.  There are twelve thoracic vertebrae and a rib attaches to each vertebrae forming the back of the rib cage.  In front, the first 7 pairs connect to the sternum by cartilage and are known as “true ribs.”  The remaining 5 are called “false ribs&rdquo

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