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Trachea : Structure of the trachea , role of the trachea


 What Is Trachea?

The trachea, commonly referred to as the windpipe, is a long, thin and tubular structure that begins at the back of the throat. The trachea extends down the front of the chest, passing in front of the heart, until it reaches the point where it splits into two branches known as the primary bronchi. The primary bronchi then travels down each side of the chest and enters the lungs.  The main function of the trachea is to carry air from the nose and mouth down to the lungs.

The trachea, also known as the windpipe, is a cartilaginous and membranous tube that extends from the larynx down to the bronchi. It is around four and a half inches long in adults and has nineteen ring-like pieces of cartilage that give it support and keep it from collapsing. The trachea branches off into the left and right bronchi, which lead to the lungs. The walls of the trachea are lined with cilia, which are small hairs that help to move mucus and debris out of the lungs.

Trachea, in vertebrates and invertebrates, a tube or machine of tubes that carries air. In insects, some land arachnids, and myriapods, the trachea is an elaborate machine of small, branching tubes that deliver oxygen to man or woman frame cells; in maximum land vertebrates, the trachea is the windpipe, which conveys air from the larynx to the two major bronchi, with the lungs and their air sacs as the remaining vacation spot. In some birds, consisting of the swan, there may be an additional duration of tracheal tube coiled under the front of the rib cage. The cartilaginous structures that ring maximum mammalian tracheae are decreased to small abnormal nodules in amphibians.

What Is Trachea

In the guy the trachea is 15 centimeters (6 inches) long and 2 to 3 centimeters in diameter. The trachea serves as passage for air, moistens and warms it whilst it passes into the lungs, and protects the respiration surface from an accumulation of overseas debris. The trachea is coated with a moist mucous-membrane layer composed of cells containing small hairlike projections known as cilia. The cilia mission into the channel (lumen) of the trachea to lure particles. There also are cells and ducts in the mucous membrane that secrete mucus droplets and water molecules. At the bottom of the mucous membrane there may be a complex community of tissue composed of elastic and collagen fibers that aid in the expansion, contraction, and balance of the tracheal partitions. Also in this layer there are various blood and lymphatic vessels; the blood vessels manage mobile renovation and warmth change, whilst the lymphatic vessels remove the overseas particles gathered by means of the wall’s floor. Around the tracheal wall there may be a series of 16 to 20 horseshoe-shaped cartilage jewelry. They encircle the front part of the trachea however are open wherein the trachea lies subsequent to the esophagus. Here the loose ends of the cartilage are related by muscle bands. Since the cartilage is in man or woman rings, rather than one non-stop sheath, the trachea can stretch and descend with the breathing actions. The cartilage bands are changed with fibrous scar tissue in superior age.

Muscle fibers run over and alongside the cartilage, in addition to via the mucous membrane. They serve to slim and shorten the passageway in breathing. They also may additionally contract in bloodless climate and when smoke, dirt, or chemical irritants are within the inhaled air. During coughing, that is a pressured exhalation, the muscle bands connecting the free cartilage ends press inward in order that the tracheal lumen is about one-sixth of its regular size. Air dashing through this slim channel travels at high velocities and is consequently able to dislodge foreign elements from the trachea.

What is the respiratory system made of?

The respiratory system is made of many parts, including the nose, pharynx, larynx, trachea, bronchi, and lungs. The respiratory system does the work of breathing, which means taking in oxygen and getting rid of carbon dioxide. The air that we breathe in goes through the nose and into the pharynx. The pharynx is a tube that goes to the larynx, and the larynx is a tube that goes to the trachea.

The respiratory system is a collection of organs responsible for breathing. In humans and other mammals, the anatomy of a typical respiratory system includes the nose, pharynx, larynx, trachea, bronchi, and lungs. Air is brought into the respiratory system through the nose and mouth, where it is then filtered and moistened. The air then travels down the trachea, which branches into the left and right bronchi.

The respiratory system is made of the nose, mouth, throat, voice box, trachea, bronchi and lungs. The primary function of the respiratory system is to supply oxygen to the blood and remove carbon dioxide. This gas exchange process happens in the lungs where alveoli are clustered. The walls of the alveoli are one cell thick and are lined with tiny blood vessels called capillaries.

The breathing device has many exclusive elements that work together to help you breathe. Each institution of components has many separate components.

Respiratory system

Structure of the trachea in the human body

  1. The human trachea is about 4.5 inches (11.4 cm) long and 0.5 inches (1.3 cm) in diameter. The trachea extends from the larynx and branches into the left and right main bronchi at the level of the sternal angle, which is approximately at the level of the fourth thoracic vertebra. It is composed of about 20 C-shaped cartilage rings that are connected via smooth muscle and fibrous connective tissue. The cartilage rings prevent the trachea from collapsing, and the smooth muscle and fibrous connective tissue help keep the trachea open for air to pass through.

  2. A grownup's trachea has an internal diameter of about 1.5 to 2 centimeters (zero.59 to 0.Seventy nine in) and a period of approximately 10 to 11 centimeters (3.9 to four.Three in); wider in men than females. The trachea starts on the decrease edge of the cricoid cartilage of the larynx[3] at the level of sixth cervical vertebra (C6) and ends on the carina, the point in which the trachea branches into left and right foremost bronchi.At the extent of the fourth thoracic vertebra (T4), despite the fact that its function may additionally exchange with respiratory.The trachea is surrounded by way of sixteen–20 jewelry of hyaline cartilage; those 'rings' are 4 millimeters excessive inside the grownup, incomplete and C-fashioned. Ligaments join the rings. The trachealis muscle connects the ends of the incomplete jewelry and runs along the back wall of the trachea. Also adventitia, that's the outermost layer of connective tissue that surrounds the hyaline cartilage, contributes to the trachea's ability to bend and stretch with movement.

  3. In front of the higher trachea lies connective tissue and skin. Several other systems pass over or take a seat on the trachea; the jugular arch, which joins the two anterior jugular veins, sits in the front of the upper part of the trachea. The sternohyoid and sternothyroid muscular tissues stretch alongside its length. The thyroid gland also stretches throughout the top trachea, with the isthmus overlying the second one to fourth earrings, and the lobes stretching to the level of the fifth or sixth cartilage.The blood vessels of the thyroid relaxation at the trachea subsequent to the isthmus; superior thyroid arteries be part of simply above it, and the inferior thyroid veins underneath it. In the front of the decreased trachea lies the manubrium of the sternum, the remnants of the thymus in adults. To the front left lie the massive blood vessels, the aortic arch and its branches, the left not unusual carotid artery and the brachiocephalic trunk; and the left brachiocephalic vein. The deep cardiac plexus and lymph nodes are also placed in the front of the decreased trachea.

  4. Behind the trachea, alongside its duration, sits the esophagus, accompanied via connective tissue and the vertebral column. To its aspects run the carotid arteries and inferior thyroid arteries; and to its facets on its again floor run the recurrent laryngeal nerves inside the top trachea, and the vagus nerves within the decreased trachea.

  5. The trachealis muscle contracts at some point of coughing, lowering the size of the lumen of the trachea.

The trachea has two parts:

  • Cervical trachea

  • Thoracic trachea

What is the role of the trachea in the human body?

  • The trachea is a vital part of the respiratory system. It is a long, thin tube that runs from the back of the throat to the lungs. The trachea is made up of many small pieces of cartilage that keep it open so that air can pass through. The trachea is lined with a thin layer of mucus that helps to keep the airways moist and free of debris.

  • The trachea is an important organ in the human body. It is responsible for carrying air to and from the lungs. The trachea is also responsible for protecting the lungs from foreign objects. Without the trachea, the lungs would be vulnerable to infection.

What affects the health of the trachea in the human body?

The human trachea is an important part of the respiratory system. The trachea helps to move air in and out of the lungs. If the trachea is not functioning correctly, the person can experience problems with their health.

The trachea is a tube that transports air from the lungs to the rest of the body. In the human body, the trachea is affected by a number of factors, some of which are discussed below.

Several conditions can have an effect on your trachea, along with:

  • Tracheal cancer: Cancer that starts on your windpipe.

  • Tracheal obstruction: A blockage on your top airway, which includes your trachea, larynx or pharynx (throat).

  • Tracheal stenosis: Airway narrowing that restricts your respiration.

  • Tracheitis: Inflammation in your trachea, regularly because of a chilly or other infection that reasons coughing.

  • Tracheoesophageal fistula: An irregular connection (hollow) in a single or greater location among your esophagus and your trachea.

  • Tracheomalacia: Trachea collapsing in on itself, usually in newborns.

Maintaining the health of the trachea in the human body

The trachea, or windpipe, is the tube that carries air from the throat to the lungs. The trachea is about four inches long and is made up of cartilage and muscle. The cartilage is a type of connective tissue that gives the trachea its shape and strength. The muscle is a type of tissue that contracts and relaxes to open and close the airway.

To keep your trachea, lungs and entire respiration gadget wholesome, you can:

  • Achieve and maintain a healthy weight for your frame kind, age and intercourse.

  • Avoid secondhand smoke.

  • Change air filters and smooth your home frequently.

  • Exercise constantly to strengthen your lungs and heart.

  • Limit your publicity to air pollutants.

  • Quit smoking or the usage of different tobacco merchandise.

  • Use protection equipment together with a face mask if you are frequently round allergens, dust or chemical fumes.

Trachea : Structure of the trachea , role of the trachea

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