Etymology. The word xiphoid derives from the Greek word xiphos for straight sword, the tip of which the process somewhat resembles. The xiphoid process is a translation of Latin processus xiphoides.
How many Sternebrae do humans have?
The sternum (Figure 7.16) consists of eight sternebrae arranged anteroposteriorly midventrally on the thorax. The most anterior of the series is the spear tip-shaped manubrium. In some individuals the manubrium appears to be formed by the fusion of two elements.
What is in the middle of your rib cage?
The sternum is the bone that makes up the middle front of your ribcage.
Why does the sternum hurt?
Costochondritis. Costochondritis is the most common cause of sternum pain and occurs when the cartilage between the sternum and ribs becomes inflamed and irritated. Costochondritis can sometimes occur as the result of osteoarthritis but may also happen for no apparent reason.
What is your breast bone called?
(brest-bone) The long flat bone that forms the center front of the chest wall. The breastbone is attached to the collarbone and the first seven ribs. Also called sternum.
How many ribs do humans have?
Most people have 24 ribs, with 12 on each side of the body. The ribs and rib cage are excellent examples of the human body’s multi-faceted and multi-functional design. They are strong enough to support the skeleton and protect the vital organs in the chest cavity, including the heart, lungs, and spleen.
How many true ribs are there?
In humans there are normally 12 pairs of ribs. The first seven pairs are attached directly to the sternum by costal cartilages and are called true ribs. The 8th, 9th, and 10th pairs—false ribs—do not join the sternum…
What is jellyfish manubrium?
The portion of a jellyfish or other cnidarian that bears the mouth at its tip. The uppermost of the three bony segments constituting the breastbone in mammals.
Where is the manubrium located?
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. This can be easily felt at the anterior base of the neck, between the medial ends of the clavicles.
What is the Xiphoid?
The xiphoid process is a tiny bone structure located at the center of the chest, just below the lower part of the sternum. At birth, the xiphoid process is formed from cartilage that eventually develops into bone.
Is pectus Carinatum congenital?
Pectus carinatum brace
Pectus carinatum is an uncommon birth defect in which a child’s breastbone protrudes outward abnormally.
Can you feel your Manubrium?
At its inferior end, the manubrium meets the body of the sternum at the joint with the costal cartilage of the second ribs. Here it forms the sternal angle, a slight posterior bend in the sternum that can be felt through the skin and serves as an important anatomical landmark in the medical profession.
Why is the rib at B considered a true rib?
Why is the rib at B considered a true rib? True, or vertebrosternal, ribs make a complete circuit around the thoracic cage in a ring that includes their own costal cartilage. Which of the following bones does NOT fit with the other listed bones? Each of the 12 ribs articulates with one vertebrae.
Are there 213 bones in the human body?
There are typically around 270 bones in human infants, which fuse to become 206 to 213 bones in the human adult. The reason for the variability in the number of bones is because some humans may have a varying number of ribs, vertebrae, and digits.
How many ribs are floating?
Floating rib: One of the last two ribs. A rib is said to be “floating” if it does not attach to the sternum (the breast bone) or to another rib. There are usually 12 pairs of ribs in all.
What is the longest bone in the body?
The femur is the strongest bone in the body, and it is the longest bone in the human body.
Do men have breasts?
The truth is that boys and girls, men and women all have breast tissue. The various hormones in girls’ and women’s bodies stimulate the breast tissue to grow into full breasts. Boys’ and men’s bodies normally don’t make much of the breast-stimulating hormones.
What do breasts feel like normal?
Normal breast tissue often feels nodular (lumpy) and varies in consistency from woman to woman. Even within each individual woman, the texture of breast tissue varies at different times in her menstrual cycle, and from time to time during her life.
Where is the ribcage?
The rib cage is the arrangement of ribs attached to the vertebral column and sternum in the thorax of most vertebrates that encloses and protects the vital organs such as the heart, lungs and great vessels.
What organ is under the left breast?
Under and around the left breastbone are the heart, spleen, stomach, pancreas, and large intestine. And that’s in addition to the left lung, left breast, and left kidney, which actually sits higher in the body than the right one.
What organ is under your right breast bone?
The gallbladder is a small organ on the right side of the body that stores bile from the liver. If bile contains too much cholesterol or bilirubin, or if a person’s gallbladder does not empty properly, gallstones can form. Most gallstones pass without causing problems.
What are six common non cardiac causes of chest pain?
In most people, non-cardiac chest pain is related to a problem with the esophagus, such as gastroesophageal reflux disease. Other causes include muscle or bone problems, lung conditions or diseases, stomach problems, stress, anxiety, and depression.