What is the normal shape of a thorax?
The skeleton of the thorax or chest (Figs. 112, 113, 114) is an osseo-cartilaginous cage, containing and protecting the principal organs of respiration and circulation. It is conical in shape, being narrow above and broad below, flattened from before backward, and longer behind than in front.
What are the types of thorax?
The middle tagma, or thorax, comprises three large segments: prothorax (anterior most segment), mesothorax (middle), and metathorax (posterior) (Figure 33.3). Each segment contains chitinous plates, or sclerites, which provide support and some protection.
What are the features of the thorax?
The contents of the thorax include the heart and lungs (and the thymus gland); the (major and minor pectoral muscles, trapezius muscles, and neck muscle); and internal structures such as the diaphragm, the esophagus, the trachea, and a part of the sternum known as the xiphoid process).
What is your thorax?
The thorax is the region between the abdomen inferiorly and the root of the neck superiorly. [1][2] It forms from the thoracic wall, its superficial structures (breast, muscles, and skin) and the thoracic cavity.Jul 31, 2021
How do I know what my chest shape is?
Side to side symmetric chest shape. Distance from the front to the back of the chest (anterior-posterior diameter) less than the size of the chest from side to side (transverse diameter) Normal chest shape, with no visible deformities, such as a barrel chest, kyphosis, or scoliosis. No muscle retractions when breathing.
How do you examine the thorax?
General approach to the thoracic examination:
The posterior thorax is best examined with the patient sitting upright, arms folded across the chest, and hands placed on opposite shoulders. This displaces the scapulae laterally and exposes more pulmonary parenchyma to the examiner's hands and ears.
What is the function of the thorax?
It provides a base for the muscle attachment of the upper extremities, the head and neck, the vertebral column, and the pelvis. The thorax also provides protection for the heart, lungs, and viscera.
What is the use of thorax?
The vertebrate thorax contains the chief organs of respiration and circulation—namely, the lungs, some air passages, the heart, and the largest blood vessels (see thoracic cavity). Below, it is bounded by the diaphragm. The bony framework is encased with muscles, fat, and cutaneous tissues (skin).
What are the three segments of thorax?
The insect thorax consists of three segments (called the prothorax, mesothorax, and metathorax), which may be fused but are usually recognizable.
What are the boundaries of the thorax?
The boundaries of the Thoracic Cavity are the Ribs (and Sternum), Vertebral Column, and the Diaphragm. The Diaphragm seperates the Thoracic Cavity from the Abdominal Cavity.
Related questions
Related
What is thorax and its composition?
It is made up of the sternum, twelve pairs of ribs, twelve thoracic vertebrae, and interconnecting joints. The main thoracic joints include the intervertebral discs, costovertebral, sternocostal, sternoclavicular, costochondral, and interchondral joints.
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Is the thorax the rib cage?
rib cage, in vertebrate anatomy, basketlike skeletal structure that forms the chest, or thorax, and is made up of the ribs and their corresponding attachments to the sternum (breastbone) and the vertebral column.
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What is the difference between thorax and chest?
The thorax is also called the chest and contains the main organs of respiration and circulation. The heart through its main artery, the aorta, pumps oxygenated blood to all parts of the body.
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What is the posterior chest wall?
The thoracic wall consists of a bony framework that is held together by twelve thoracic vertebrae posteriorly which give rise to ribs that encircle the lateral and anterior thoracic cavity. ... It develops independently of the ribs. In sporadic cases, the sternum may not fully form, and the underlying heart may be exposed.Jul 31, 2021
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What is the structure of the thorax?
- The skeleton of the thorax or chest (Figs. 112, 113, 114) is an osseo-cartilaginous cage, containing and protecting the principal organs of respiration and circulation. It is conical in shape, being narrow above and broad below, flattened from before backward, and longer behind than in front.
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Where is the thorax located in a tetrapod?
- In tetrapods. In mammals, the thorax is the region of the body formed by the sternum, the thoracic vertebrae, and the ribs. It extends from the neck to the diaphragm, and does not include the upper limbs. The heart and the lungs reside in the thoracic cavity, as well as many blood vessels.
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What is the inner lining of the thoracic cavity?
- The inner lining of the thoracic cavity is called the thoracic wall. It is made of muscles, epithelial tissues, a skeletal cage made of bones, muscles, and joints. The space between the 12 pairs of ribs is called intercostal space. This space is made of muscles, blood vessels, and apertures.
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How do you assess thoracic expansion?
- Identify Areas of Tenderness, Lesions, Masses, or Crepitation Respiratory Excursion. (Thoracic expansion) Can be assessed in anterior or posterior chest. Tactile Fremitus (vocal fremitus) - client says "99" while examiner palpates the thorax using palmar surface of fingers or ulnar aspect of hand.
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What is the structure of the thorax?What is the structure of the thorax?
The skeleton of the thorax or chest (Figs. 112, 113, 114) is an osseo-cartilaginous cage, containing and protecting the principal organs of respiration and circulation. It is conical in shape, being narrow above and broad below, flattened from before backward, and longer behind than in front.
Related
Where is the thorax located in a tetrapod?Where is the thorax located in a tetrapod?
In tetrapods. In mammals, the thorax is the region of the body formed by the sternum, the thoracic vertebrae, and the ribs. It extends from the neck to the diaphragm, and does not include the upper limbs. The heart and the lungs reside in the thoracic cavity, as well as many blood vessels.
Related
How does the thorax of the female differ from that of the male?How does the thorax of the female differ from that of the male?
The thorax of the female differs from that of the male as follows: 1. Its capacity is less. 2. The sternum is shorter. 3. The upper margin of the sternum is on a level with the lower part of the body of the third thoracic vertebra, whereas in the male it is on a level with the lower part of the body of the second.
Related
What is the inner lining of the thoracic cavity?What is the inner lining of the thoracic cavity?
The inner lining of the thoracic cavity is called the thoracic wall. It is made of muscles, epithelial tissues, a skeletal cage made of bones, muscles, and joints. The space between the 12 pairs of ribs is called intercostal space. This space is made of muscles, blood vessels, and apertures.
