What is the superior portion of the sternum called quizlet?
What is the superior, triangular portion of the sternum called? The manubrium.
What is located superior to the body of the sternum?
The manubrium is the widest and most superior region of the sternum. It forms joints with the clavicles and the first and second pairs of ribs through their costal cartilages.
What is the lower part of the sternum called?
Xiphoid process. This is the lower part of the sternum. Its shape can vary. The xiphoid process is composed mostly of cartilage, and it slowly begins to calcify as you age.
Where is the manubrium bone located?
the sternum Manubrium. The manubrium is a large quadrangular shaped bone that lies above the body of the sternum. The lower border is narrower, is quite rough, and articulates with the body with a thin layer of cartilage in between.
What is the top of the sternum called?
Manubrium Manubrium. This is the top part of your sternum.
Which bone is most superior?
The atlas is the topmost vertebra and, with the axis (the vertebra below it), forms the joint connecting the skull and spine.
What is Manubrium of sternum?
The manubrium. The manubrium is the thickest and strongest portion of the sternum and is therefore the area that is most likely to survive inhumation. It is broad and thick along its superior margin and narrows towards its inferior articulation with the mesosternum (Jit et al., 1980).
What is the manubrium?
The manubrium is the thickest and strongest portion of the sternum and is therefore the area that is most likely to survive inhumation. It is broad and thick along its superior margin and narrows towards its inferior articulation with the mesosternum (Jit et al., 1980).
Which bone is most superior quizlet?
Terms in this set (82)
- Frontal bone. The most anterior of the 3 most superior bones of the body. …
- Supraorbital foramen. a tiny opening above the eye orbit that allows artery and nerve passage.
- Parietal. …
- Coronal suture. …
- Occipital bone. …
- Lambdoidal suture. …
- Foramen magum. …
- occipital condyle.
What is superior mediastinum?
Superior Mediastinum: Organs: thymus, trachea, esophagus. Arteries: aortic arch, brachiocephalic trunk, left common carotid artery, left subclavian artery. Veins and lymphatics: superior vena cava, brachiocephalic veins, the arch of the azygos, thoracic duct.
Which is the most superior bone?
The atlas is the topmost vertebra and, with the axis (the vertebra below it), forms the joint connecting the skull and spine.
Which of the following bones is most superior?
The anterior cranial fossa is the most shallow and superior of the three fossae. The fossa is comprised of the frontal bone, the ethmoid bone, and the body and lesser wings of the sphenoid bone….Cranial Cavity.
| Mnemonic | Bones |
|---|---|
| E | Ethmoid |
| S | Sphenoid |
| T | Temporal |
| O | Occipital |
What is the superior thoracic aperture?
The superior thoracic aperture allows connection of the anatomic structures of the thorax and the neck. The term thoracic inlet has a slightly different meaning. It refers to the superior thoracic aperture, the region just above the first rib, and the opening between the clavicle and the first rib.
What is the anterior mediastinum?
Listen to pronunciation. (an-TEER-ee-er MEE-dee-uh-STY-num) The area in the front part of the chest between the lungs. Also called prevascular space.
Which bone is most superior manubrium?
The sternum is the elongated bony structure that anchors the anterior thoracic cage. It consists of three parts: the manubrium, body, and xiphoid process. The manubrium is the wider, superior portion of the sternum. The top of the manubrium has a shallow, U-shaped border called the jugular (suprasternal) notch.
Which bone is most inferior?
The coccyx (cocs-ICKS), or tailbone, is the most inferior portion of the human vertebral column.
Why superior aperture of thoracic cavity is called thoracic outlet?
The thoracic outlet (or inferior thoracic aperture) is the lower opening of the thoracic cavity whose edges are the lowest ribs. It is closed by the diaphragm, which separates the thoracic cavity from the abdominal cavity. The thoracic outlet is much larger than the thoracic inlet (superior thoracic aperture).
What are the contents of superior mediastinum?
Superior Mediastinum:
- Organs: thymus, trachea, esophagus.
- Arteries: aortic arch, brachiocephalic trunk, left common carotid artery, left subclavian artery.
- Veins and lymphatics: superior vena cava, brachiocephalic veins, the arch of the azygos, thoracic duct.
What is a superior mediastinal mass?
It encompasses the heart, aorta, esophagus, thymus (a gland in the back of the neck) and trachea (windpipe). When tumors develop in this area, they are called mediastinal tumors. Mediastinal tumors are rare but, due to their location, can be serious.
What is manubrium of sternum?
The manubrium. The manubrium is the thickest and strongest portion of the sternum and is therefore the area that is most likely to survive inhumation. It is broad and thick along its superior margin and narrows towards its inferior articulation with the mesosternum (Jit et al., 1980).
What is superior thoracic aperture?
The superior thoracic aperture allows connection of the anatomic structures of the thorax and the neck. The term thoracic inlet has a slightly different meaning. It refers to the superior thoracic aperture, the region just above the first rib, and the opening between the clavicle and the first rib.
What is the superior mediastinum?
Superior mediastinum. The superior mediastinum is a space bounded anteriorly by the manubrium of the sternum, and posteriorly by the bodies of T1-T4 vertebrae. Its superior border is an oblique plane extending from the jugular notch of the manubrium to the superior border of T1 vertebra.
Which structure is found only in the superior mediastinum?
Superior Mediastinum: Organs: thymus, trachea, esophagus.
What structures are located in the superior mediastinum?
Superior Mediastinum: Organs: thymus, trachea, esophagus. Arteries: aortic arch, brachiocephalic trunk, left common carotid artery, left subclavian artery. Veins and lymphatics: superior vena cava, brachiocephalic veins, the arch of the azygos, thoracic duct.
Where is the mediastinal?
chest The mediastinum is the part of the chest that lies between the sternum and the spinal column, and between the lungs. This area contains the heart, large blood vessels, windpipe (trachea), thymus gland, esophagus, and connective tissues. The mediastinum is divided into three sections: Anterior (front)
Is the superior vena cava in the superior mediastinum?
The superior vena cava (SVC, also known as the cava or cva) is a short, but large diameter vein located in the anterior right superior mediastinum.
What is content of superior mediastinum?
Superior Mediastinum: Organs: thymus, trachea, esophagus. Arteries: aortic arch, brachiocephalic trunk, left common carotid artery, left subclavian artery. Veins and lymphatics: superior vena cava, brachiocephalic veins, the arch of the azygos, thoracic duct.
What’s the superior vena cava?
The vena cava has two parts: the superior vena cava and the inferior vena cava. The superior vena cava carries blood from the head, neck, arms, and chest. The inferior vena cava carries blood from the legs, feet, and organs in the abdomen and pelvis. The vena cava is the largest vein in the body.
What is the superior and inferior vena cava?
The vena cava has two parts: the superior vena cava and the inferior vena cava. The superior vena cava carries blood from the head, neck, arms, and chest. The inferior vena cava carries blood from the legs, feet, and organs in the abdomen and pelvis. The vena cava is the largest vein in the body.
Where is superior vena cava?
Your inferior vena cava and superior vena cava are both on your heart's right side. Your right and left innominate (or brachiocephalic) veins merge to form your superior vena cava. Your superior vena cava is next to the right side of your sternum and goes into your right atrium, where all the oxygen-poor blood goes.