List of irregular bones

There are 48 irregular bones in the adult skeleton including the hip bones vertebrae hyoid bone and some skull bones. Short bones are developed in a similar way in all three dimensions such as the carpus and tarsus.

They consist of cancellous tissue enclosed within a thin layer of compact bone.

List of irregular bones. The irregular bones are bones which from their peculiar form cannot be grouped as long bone short bone flat bone or sesamoid bone. Irregular bones serve various purposes in the body such as protection of nervous tissue such as the vertebrae protect the spinal cord affording multiple anchor points for skeletal muscle attachment as with the sacrum and maintaining pharynx and trachea. They are 39 Irregular Bones in human bodyThese include the vertebrae sacrum coccyx the temporal ethmoid and sphenoid bones and the bones of the face except the nasal lachrymal.

Vertebrae and pelvic bones are classified as irregular bones because of their complex shapes which is more tortuous than other sutures. Examples are bones of the sternum and the skull But this characteristic helps them to protect our vital organs. Irregular bones in the skeletal system.

Long bones develop mainly in length such as the femur tibia fibula radius ulna humerus. Flat bones are characterized by having higher length and width than thickness such as bones of the skull shoulder blades sternum. Short bones are developed in a similar way in all three dimensions such as the carpus and tarsus.

And irregular bones are characterized by not having any dominant morphological element. Pages in category Irregular bones. The following 13 pages are in this category out of 13 total.

This list may not reflect recent changes learn more. Irregular bones consist of thin layers of compact bone surrounding a spongy interior. They have varied shapes sizes and surface features they include those of the vertebrae the hips and some of the bones found in the skull.

Impressive facts about irregular bones. There are in all 33 irregular bones found here. The irregular bones are.

The vertebrae sacrum coccyx temporal sphenoid ethmoid zygomatic maxilla mandible palatine inferior nasal concha and hyoid. There are 48 irregular bones in the adult skeleton including the hip bones vertebrae hyoid bone and some skull bones. 26 Vertebrae 7 cervical 12 thoracic 5 lumbar 1 sacrum and 1 coccyx 2 Hip bones.

Bones that are not in any of the above three categories are classified as irregular bones. They are primarily spongy bone that is covered with a thin layer of compact bone. The vertebrae and some of the bones in the skull are irregular bones.

All bones have surface markings and characteristics that make a specific bone unique. Examples include the cranial skull bones the scapulae shoulder blades the sternum breastbone and the ribs. Flat bones serve as points of attachment for muscles and often protect internal organs.

An irregular bone is one that does not have any easily characterized shape and therefore does not fit any other classification. These bones tend to have more complex shapes like the vertebrae that. Many facial bones particularly the ones containing sinuses are classified as irregular bones.

Sesamoid Bones A sesamoid bone is a small round bone that as the name suggests is shaped like a sesame seed. Also in this structure there are occipital bone two temporal bones ethmoid frontal bones mandible bone maxillae bone vomer bone palatine bone nasal bones zygomatic bones inferior nasal conchae lacrimal bone and sphenoid. The cube-shaped short bones include the carpals tarsals metacarpals metatarsals and phalanges.

Sesamoid bones are small bones that are embedded in some tendons. Patella kneecap is an example of a sesamoid bone. Irregular bones as the name suggests have an irregular shape.

Hyoid bone and the vertebrae are examples of irregular bones. These are bones in the body which do not fall into any other category due to their non-uniform shape. Good examples of these are the Vertebrae Sacrum and Mandible lower jaw.

They primarily consist of cancellous bone with a thin outer layer of compact bone. Examples include the skull and rib bones. All those bones whose shape prevents it from being classified in any of the three previous groups.

Examples of long bones. Located inside the thighs it is perhaps the longest in the human body. HumerusThe bone that joins the elbow with the shoulder the upper arm is called that way.

Irregular bones cannot be grouped into any other categories because of their complex shapes. Examples of irregular bones include vertebrae hip bones and certain facial bones like the maxillae or zygoma. 12 SKULL The skull is made up of 22 bones.

The spine is the place in the human body where the most irregular bones can be found. There are in all 33 irregular bones found here. The irregular bones are.

The vertebrae sacrum coccyx temporal sphenoid ethmoid zygomatic maxilla mandible palatine inferior nasal concha and hyoid. Some example of irregular bones are the vertebrae hyoid bone and tongue attachment. Thin layers of compact bone with spongy bone on the inside.

They consist of cancellous tissue enclosed within a thin layer of compact bone. The irregular bones are. The vertebræ sacrum coccyx temporal sphenoid ethmoid zygomatic maxilla mandible palatine inferior nasal concha and hyoid.

The bone marrow of flat irregular bones produce RBCs and WBCs in adults sternumvertebraepelvisends of long bones ribs. Auxiliary bones embedded in tendons in various areas of the body largest is patella. Large rounded prominence at the end of a bone most often for articulation with another bone.