Chapter 7
I.Bone Structure
A. Bone Classification
1. 4 Classes – Long, Short, flat and irregular
2. Example of a long bone- forearm and thigh bones.
3. Short Bones are shaped like cubes
4. Ex. Of short bones are in wrists and ankle bones
5. Flat bones are platelike structures
6. Ex of Flat bones are platelike structures
7. Irregular bones vary in size
8. Irregular bones vary in size
9. Examples of irregular bones are those of the vertebra and some
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b. Unlike compact bone, the bone cells do not aggregate around central canals.
c. Instead the cells lie within the trabeculae
d. Bone cells get canaliculi that lead to the surface of trabeculae
II Bone
A. long bones are the thickest midway down the diaphysis, where the stresses are the greatest.
From the days of Still we are reminded that structure and function are a primary focus reciprocally interrelated-so much so that the basic structure of the skeleton and the parts that make it up are designed to operate a certain mechanical way. The physiological and deeper functional
and long, thick pins are inserted lengthwise into the bone tissue. The pins are held in place by
A long bone is composed of 6 main parts. The diaphysis, epiphyses, metaphyses, articular cartliage, the periosteum and medullary cavity. (Tortora and Derrickson, 2011).
In this content am going to be talking and explaining the structure and function of the skeletal system. I will be talking about: Axial skeleton, Appendicular. Also highlighting the different types of bone such as long bones, short bones flat bones, irregular bones and sesamoid bones. I am also going to be talking about how your body is
Each long bone has at least two growth plates. There is one at each end. The growth plate
The skeletal system is made up of bones and joints. Bones are a dry dense tissue that is composed of calcium phosphorous and organic matter. The bones are protected and covered by a layer of fibrous connective tissue membrane called the periosteum (Brown, et al., 2015, p. 1547). There are two basic types of bone tissue: Compact Bone and Spongy Bone. Compact bones are dense smooth bones, while Spongy bones are composed of small needle-like pieces of bones and open space. Bones are then categorised according to the shape of the bone into four groups: long, short, flat and irregular. Long bones characteristically are typically longer then they are wide and generally have a shaft with heads at either ends e.g. the humerus. They are mainly compact bones. Short bones
Maya Angelou, a famous poet and activist, understood that, “Prejudice is a burden that confuses the past, threatens the future and renders the present inaccessible.” This quote portrays how prejudice causes people to have apathy, and stops communities from growing into welcoming and accepting environments. This is a crucial message in the novel To Kill a Mockingbird. Written by Harper Lee, the story follows a young girl named Scout and her brother Jem growing up in the 1930s in Maycomb, Alabama surrounded by prejudice and discrimination. As the story progresses, their father, Atticus Finch, a well known and admired legislative representative, is assigned to the case of Tom Robinson. He is a black man accused of raping Mayella Ewell, part
In this advertisement even the daughter is stepping up to help her mom, but nowhere do one sees a man coming to lend a hand, or doing the task himself. However, the advertisement does portray a strong muscular cartoon Mr. Clean man. The camera angle on the individuals is above them, but directly eye-level to the Mr. Clean logo and the logo is also closer to the camera than the female.This advertisement leaves a message toward many women are more independent and many have their own career. Although society seems to give a false image of the freedom women have, implicitly, the advertisement represents society's actual pre-determined role for women in society. The stereotypes surrounded around women still remain Moving forward, the final advertisement
According to Krystek (2010), the Great Pyramid of Giza is “the only one of the famous "Seven Wonders of the Ancient World" that still stands.” The Great Pyramid of Giza, which was built around 2550BC for the pharaoh Khufu, is archaeological evidence of the political, economic and religious power of the pharaoh and the importance of religion in the Old Kingdom of Ancient Egypt. The ability of the pharaoh Khufu to organise and control the large workforce necessary to build the Great Pyramid is an indication of his political power. Through the construction of the Great Pyramid, the pharaoh and the people of Egypt were economically benefited. The importance of the afterlife to Egyptian society and the notion of the pharaoh being partly divine is also demonstrated through the Great Pyramid.
The human skeleton has 6 main functions that provide the body with good health. They are as follows:
In this exercise, we will examine a fresh raw chicken bone to study bone structure.
The skeletal system includes the osseous tissues of the body and the connective tissues that stabilize or interconnect the individual bones. The bone is a dynamic tissue. Throughout the lifespan, bone adjusts to the physiologic and mechanical demands placed on it by the processes of growth and remodeling.
The skeletal system is made up of cartilage and bone. Both bone and cartilage are connective tissues, that is, they are composed of cells in a matrix with intracellular fibers. Just imagine connective tissue as a gelatin salad with grapes and coconut. The grapes would represent cells, the gelatin the support material for matrix, and the pieces of coconut the intracellular fibers. By changing the amounts of each ingredient and adding extra substances, we can produce a material that is very hard like bone and can withstand weight or softer like cartilage which can be used as a cushioning material. In this exercise, we will examine a fresh raw chicken bone to study bone
Have you ever thought about how humans would be without bones? They would not be able to function the way that they do now if it did not have bones. The skeletal system is a highly important system in the human body, it functions as support, protection, and creation of red blood cells. This system is composed of bones and joints, an average adult contains 206 bone and an average child contains 270 bones because as a person grows the bones fuse together to create a single bone. The skeletal system is divided in to two major category: the axial skeleton and the appendicular skeleton. The axial skeleton has 80 bones in the midline axis which contains the bones of the head and the trunk; while the appendicular axis has 126 bones which include the bones from the limbs, pectoral and pelvic regions. There are only a few select bones that are mainly affected by the Paget disease these include the pelvis and the tibia which belong to the appendicular axis; however, other bones that could be affected are the femur, spine, skull, clavicle, and fibula.