Terminology and Classification

The sphenopalatine artery has several branches and in many texts the descriptions of its ligation only include its anterior branch. It is important to differentiate between ligation of the anterior branch of the sphenopalatine artery and ligation of all its branches. They all come out through the sphenopalatine foramen (Fig. 14.17a-c).

Sphenopalatine Artery

Fig. 14.17 a Arterial system of the head shown using latex infusion. b Detail showing the extensive blood supply to the nose. c Right lateral nasal wall after injection of pink latex into the arterial system, showing three branches of the spheno-palatine artery above the crista ethmoidalis (arrow) and one large branch below.

Fig. 14.17 a Arterial system of the head shown using latex infusion. b Detail showing the extensive blood supply to the nose. c Right lateral nasal wall after injection of pink latex into the arterial system, showing three branches of the spheno-palatine artery above the crista ethmoidalis (arrow) and one large branch below.

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Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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