What are the 3 structures that protect the brain?
Between the skull and brain is the meninges, which consist of three layers of tissue that cover and protect the brain and spinal cord. From the outermost layer inward they are: the dura mater, arachnoid and pia mater.
Which of the following does not offer protection to the brain?
Non-Protected Areas of the Brain
These include the circumventricular organs such as the area postrema, median eminence of the hypothalamus, pineal gland, and the posterior pituitary. The posterior pituitary and pineal gland are not covered by the BBB because they secrete hormones into circulation.
What protects the brain from physical damage?
The brain is protected by the bones of the skull and by a covering of three thin membranes called meninges. The brain is also cushioned and protected by cerebrospinal fluid. This watery fluid is produced by special cells in the four hollow spaces in the brain, called ventricles.
Why is it important to protect the brain?
Brain health is about keeping your mind active, feeding it plenty of nutrients and oxygen, and reducing risk factors that can harm the brain. Chronic conditions that affect our overall physical health – like diabetes, heart disease or high blood pressure, can affect our brain health.
Which bones protect the brain?
Cranium. The eight bones that protect the brain are called the cranium. The front bone forms the forehead. Two parietal bones form the upper sides of the skull, while two temporal bones form the lower sides.
What are the 4 structures of the brain?
The cerebrum is divided into four lobes: frontal, parietal, occipital and temporal.