What is the top of the sternum?
Manubrium. This is the top part of your sternum. Your collarbone and your first set of ribs connect here. The bottom of the manubrium shares a border with the body of the sternum.
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 superior portion of the sternum called quizlet?
What is the superior, triangular portion of the sternum called? The manubrium.
What Three bones make up the sternum most superior?
Sternum. 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.
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 are the 3 parts of the sternum?
Sternum
| Function | Protection of the lungs, heart and thoracic blood vessels from mechanical damage |
|---|---|
| Parts | Manubrium – most superior region that articulates with clavicles and the first pair of ribs Body – articulates with 3rd – 7th ribs Xiphoid process – most inferior part |
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).
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 portion of the sternum is most inferior to the skull?
The most inferior portion of the sternum is the xiphoid. This is consistent with answer choice "d". There are three parts of the sternum…
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.
Which bone is most inferior?
The coccyx (cocs-ICKS), or tailbone, is the most inferior portion of the human vertebral column.
What are the three parts of the sternum from superior to inferior?
The sternum consists of three main parts, listed from the top:
- Manubrium.
- Body (gladiolus)
- Xiphoid process.
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).
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).
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 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 type of bone is the sternum?
Flat Sesamoid Bones
| Bone Classifications | ||
|---|---|---|
| Bone classification | Features | Examples |
| Flat | Thin and curved | Sternum, ribs, scapulae, cranial bones |
| Irregular | Complex shape | Vertebrae, facial bones |
| Sesamoid | Small and round; embedded in tendons | Patellae |
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.
How do you remember the contents of superior mediastinum?
0:122:11MEDICAL MNEMONIC POCKET- SUPERIOR MEDIASTINUMYouTube
What is the end of the sternum called?
| Xiphoid process | |
|---|---|
| Posterior surface of sternum. (Xiphoid process labeled at bottom.) | |
| Details | |
| Identifiers | |
| Latin | processus xiphoideus |
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 is the anterior 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.
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.