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Choroid plexus : The structure of the choroid plexus

 

 What is Choroid Plexus?

The choroid plexus is a specialized structure found in the ventricles of the brain. It is composed of a layer of cells that line the ventricles and produce cerebrospinal fluid (CSF). The CSF is a clear, watery fluid that surrounds and cushions the brain and spinal cord. The choroid plexus is important for maintaining the correct level of CSF in the ventricles and for removing waste products from the CSF.

What is Choroid Plexus
Choroid Plexus

Nervous system

  1. Nervous system
  1. Brain

  2. Cerebral hemispheres

  3. Diencephalon or interbrain

  4. Thalamus

  5. Hypothalamus

  6. Midbrain

  7. Cerebellum

  8. Pons

  9. Medulla oblongata

  10. The spinal cord

  11. The ventricular system

  12. Choroid plexus

List of nerves of the human body

The human nervous system is an amazingly complex network of nerve cells (neurons) that carry messages back and forth between the brain and spinal cord and the rest of the body. The nervous system is made up of the central nervous system (CNS), which includes the brain and spinal cord, and the peripheral nervous system (PNS), which includes all the nerves that branch out from the brain and spinal cord.  The autonomic nervous system (ANS) is a part of the PNS that controls the body's involuntary functions, such as heart rate, blood pressure, digestion, and respiration.

Location

  • Structure of the nervous system

  • Development of the nervous system

  • The spinal cord or medulla spinalis

  • The brain or encephalon

  • The hindbrain or rhombencephalon

  • The midbrain or mesencephalon

  • The forebrain or prosencephalon

  • Composition and central connections of the spinal nerves

  • Pathways from the brain to the spinal cord

  • The meninges of the brain and medulla spinalis

  • The cerebrospinal fluid

  • The cranial nerves

  • The olfactory nerves

  • The optic nerve

  • The oculomotor nerve

  • The trochlear nerve

  • The trigeminal nerve

  • The abducens nerve

  • The facial nerve

  • The vestibulocochlear nerve

  • The glossopharyngeal nerve

  • The vagus nerve

  • The accessory nerve

  • The hypoglossal nerve

  • The spinal nerves

  • The posterior divisions

  • The anterior divisions

  • The thoracic nerves

  • The lumbosacral plexus

  • The sacral and coccygeal nerves

  • The sympathetic nerves

  • The cephalic portion of the sympathetic system

  • The cervical portion of the sympathetic system

  • The thoracic portion of the sympathetic system

  • The abdominal portion of the sympathetic system

  • The pelvic portion of the sympathetic system

  • The great plexuses of the sympathetic system

The structure of the choroid plexus in the human body

  • The choroid plexus is a network of cells and connective tissues that produces cerebrospinal fluid (CSF). CSF is a clear, watery fluid that surrounds and cushions the brain and spinal cord. The choroid plexus is located in the ventricles of the brain, which are four large, hollow spaces in the brain that contain CSF. The choroid plexus is made up of special cells called epithelial cells.

  • The brain consists of 3 layers of meninges referred to as the dura mater, arachnoid mater, and the pia mater. The choroid plexus is living within the innermost layer of the meninges (pia mater) that is in close contact with the cerebral cortex and spinal wire. It is a particularly prepared tissue that traces all of the ventricles of the brain except the frontal/occipital horn of the lateral ventricles and the cerebral aqueduct. The choroid plexus has a lining of specialized epithelial tissue called ependyma. Ependymal cells are glial cells with a ciliated easy columnar form that line the ventricles and vital canal of the spinal cord. Apical surfaces have a protection of hair-like projections referred to as cilia (which flow into CSF) and microvilli (which assist in CSF absorption). Microvilli carry out this characteristic via their brush border, which drastically increases the floor region of the choroid plexus, allowing improved CSF absorption. Ependymal cells are critical inside the production of CSF as the choroid plexus may additionally secrete up to 500 ml of CSF in step with day inside the person's human brain. Not only does CSF cushion and help the mind/spinal cord, but it acts as a filtration device to circulate nutrients and get rid of metabolic waste from the relevant anxious machine. Cerebrospinal fluid flows to the 1/3 ventricle from the lateral ventricles thru the right and left interventricular foramen of Monro. CSF then flows from the 1/3 to the fourth ventricle via the cerebral aqueduct of Sylvius. Lastly, CSF flows from the fourth ventricle to the subarachnoid area via the foramen of Magendie medially and through the foramen of Luschka laterally. Once CSF is within the subarachnoid space, it may be reabsorbed through arachnoid granulations and ultimately drain into the dural venous sinuses. Because CSF strains buddies with brain development, too little CSF can stunt brain boom whereas overproduction of CSF can lead to a situation called hydrocephalus. Fortunately, excessive CSF manufacturing as a purpose of hydrocephalus does no longer occur besides in uncommon instances of a tumor of the choroid plexus referred to as choroid plexus papilloma which may also cause hydrocephalus by overproduction of CSF.

What is the role of the choroid plexus in the human body?

  1. The choroid plexus is a small, spongy mass of tissue located in the lateral ventricles of the brain. Its primary function is to produce cerebrospinal fluid (CSF), which circulates around the brain and spinal cord and provides a cushioning effect. The choroid plexus is composed of cells known as choroidal epithelial cells, which are responsible for the production of CSF. CSF is produced by a process known as ultrafiltration, which occurs when blood plasma is filtered through the choroidal epithelial cells and into the choroid plexus.

  2. The choroid plexus regulates the manufacturing and composition of cerebrospinal fluid (CSF), that gives the protective buoyancy for the brain.CSF acts as a medium for the glymphatic filtration device that helps the removal of metabolic waste from the brain, and the exchange of biomolecules and xenobiotics into and out of the brain.In this manner the choroid plexus has a totally vital function in assisting to hold the sensitive extracellular surroundings required via the mind to feature optimally.

Choroid plexus in the lateral ventricles

  • The choroid plexus is a small, spongy mass of tissue located in the lateral ventricles of the brain. It is made up of a network of blood vessels and cells that produce cerebrospinal fluid (CSF). The CSF is a clear, watery fluid that cushions and protects the brain and spinal cord. The choroid plexus helps to circulate the CSF and keep it clean.

  • The frame, posterior horn, and inferior horn of every lateral ventricle are part of a triangular location referred to as the atrium (or collateral trigone). The choroid plexus of the lateral ventricles is located inside the superomedial portion of the inferior horn and the anteromedial part of the frame. The plexus determined in those areas additionally hold into the atrium. 

  • At the junction of the body and inferior horn within the atrium, the choroid plexus turns into enlarged and greater distinguished, forming tufts called choroid glomus. In the lateral ventricles, the choroid plexus is always sure to have a skinny cleft called the choroid fissure.

Choroid plexus of the third ventricle

  • The choroid plexus of the third ventricle is a small, highly vascularized structure composed of epithelial cells that project into the ventricular lumen. The choroid plexus produces cerebrospinal fluid (CSF), which circulates throughout the ventricular system and the subarachnoid space. The choroid plexus is also involved in the metabolism of neurotransmitters and other small molecules. In addition, the choroid plexus plays a role in the development of the central nervous system.

  • As previously noted, the lateral ventricles are linked to the 0.33 ventricle with the aid of a dual opening called the interventricular foramen (or foramen of Monro). At the junction of the anterior horn and the inferior part of the body of the lateral ventricles, the choroid plexus maintains along the interventricular foramen on both aspects.

  • The course of choroid plexus from every lateral ventricle joins along the roof of the 0.33 ventricle and tasks into the superior part of the ventricle. The choroid plexus of the 0.33 ventricle is supplied by the medial posterior choroidal arteries (branch of posterior cerebral artery).

Choroid plexus of the fourth ventricle

  • The choroid plexus is critical to the production of cerebrospinal fluid (CSF), but its function is not well understood. In this study, we investigated the structure and function of the choroid plexus in the fourth ventricle. We found that the choroid plexus is composed of a network of ependymal cells and a small number of stromal cells. The ependymal cells are arranged in a series of interconnected chambers, and the stromal cells are located in the spaces between the chambers.

  • The choroid plexus of the fourth ventricle is a specialized structure in the brain that produces cerebrospinal fluid (CSF). CSF is a clear, watery fluid that surrounds the brain and spinal cord, providing them with protection and nutrients. The choroid plexus is made up of a network of blood vessels and cells that produce CSF. The CSF produced by the choroid plexus circulates through the ventricles of the brain and is eventually absorbed into the bloodstream.

  • The third ventricle is connected to the fourth ventricle via the cerebral aqueduct. The cerebral aqueduct is void of choroid plexus. The choroid plexus is placed inside the posterior medullary velum which partially bureaucracy the roof of the fourth ventricle. The choroid plexus is furnished with the aid of the branches of the posterior inferior cerebellar arteries.

Maintaining the health of the choroid plexus in the human body

The choroid plexus is a small, spongy mass of tissue located in each of the ventricles of the brain. The choroid plexus produces cerebrospinal fluid (CSF), which flows around the brain and spinal cord, providing them with nutrients and protection. The health of the choroid plexus is essential for the proper functioning of the brain and the nervous system.

  • The nervous system is the master controlling and communicating system of the body. Every thought, feeling, and action is generated by the nervous system. Maintaining a healthy nervous system is essential for optimal health and functioning. This paper will explore the role of the nervous system in maintaining health and homeostasis.

  • Though vitamins and minerals are essential nutrients, they each play different roles in your body. One of the jobs of vitamin B-12 is to keep your nervous system functioning properly. A lack of B-12 can cause neurological problems, such as memory loss and problems with balancing and walking. Vitamin B-12 is found naturally in animal foods, such as meat, poultry, shellfish, eggs and milk.

Call your doctor properly away when you have any surprising adjustments in your fitness, such as losing coordination or noticing excessive muscle weak spots. You must also see your medical doctor when you have:

  • Vision troubles or headaches.

  • Slurred speech.

  • Numbness, tingling, or lack of sensation for your fingers or legs.

  • Tremors or tics (random muscle movements).

  • Changes in behavior or reminiscence.

  • Problems with coordination or transferring your muscle groups.

Choroid plexus : The structure of the choroid plexus

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