Septal

Septal refers to the septum, a wall or partition that separates two chambers or cavities in an organism. In the context of human anatomy, the term is often used to refer to the nasal septum, the wall dividing the left and right nostrils, and the interventricular septum, the wall dividing the left and right ventricles of the heart.

Anatomy

The septum in the human body can refer to several structures:

• Nasal septum: This is a bone and cartilage structure in the nose that separates the left and right nostrils. It is covered by a layer of mucous membrane. Deviations in the nasal septum can lead to conditions such as nasal congestion and sinusitis.

• Interventricular septum: This is a stout wall separating the lower chambers (the ventricles) of the heart from one another. The interventricular septum is part of the cardiac skeleton and consists of an inferior muscular part and a superior membranous part.

• Atrial septum: This is the wall of tissue that separates the right and left atria of the heart.

Pathology

Septal defects are a group of congenital heart defects that are commonly diagnosed in infancy. They involve the septum of the heart and can occur in the atria or the ventricles. Septal defects can cause a variety of symptoms, including shortness of breath, fatigue, and heart palpitations. Treatment may involve medication, surgery, or in some cases, no treatment is necessary.

See also

• Septum piercing
• Septoplasty
• Septal myocardial infarction

Septal Resources
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