The paranasal sinuses, air-filled cavities within the skull, play a vital role in respiratory health and cranial structure, named after the bones they occupy. This image illustrates their locations, including the frontal sinus above the eyebrows, the maxillary sinuses below the orbits, the sphenoid sinus under the sella turcica, and the ethmoid air cells between the orbit and nasal cavity. This article explores the anatomical positioning, physical characteristics, and functional significance of these sinuses, offering a detailed guide for understanding their role in human anatomy.
The skull is a vital component of the human skeletal system, providing structural support and protection to the brain while forming the framework of the face. Comprising the rounded brain case and the facial bones, the skull consists of 22 individual bones that are intricately connected to house the brain, support sensory organs, and facilitate functions like chewing and facial expressions.
Carotid artery stenosis is the narrowing of the neck's main arteries due to plaque buildup, significantly increasing stroke risk. Learn about the causes, symptoms, and treatments.
Carotid artery stenosis is a serious vascular condition caused by plaque buildup that can lead to stroke. Learn about the symptoms, diagnosis, and surgical treatments like endarterectomy.
Persistent high blood pressure, or hypertension, is a leading cause of severe medical complications including stroke, heart attack, and kidney failure. This guide explains how hypertension affects the brain, heart, eyes, and kidneys, and explores the importance of early management.
Learn about the mechanisms of hypertension, how high blood pressure leads to an enlarged heart and atherosclerosis, and strategies for maintaining cardiovascular health.