BioLab3 Bones and Muscles Summary Report Student Name: I. Skeletal system A. Long Bone Structure Define the following terms. Bone Organ of the skeletal system Cartilage Serves as a cushion Ligament Dense‚ regular connective tissue/bone to bone Tendons Dense‚ regular connective tissue/ bone to muscle Osteocytes Separated by an extracellular matrix hardened by deposits of calcium salts Diaphysis Long shaft of compact bone Compact bone Solid and dense
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important and is most involved in epiphyseal plate activity; in adolescents the sex hormones testosterone and oestrogen play an important role in bone growth‚ growth hormone (HGH) is modulated by the activity of the thyroid hormones‚ ensuring that the skeleton has proper proportions as it is growing. Later in adolescence‚ the sex hormones testosterone and oestrogen induce epiphyseal plate closure in the long bones; an excess of growth hormone during this development phase can lead to gigantism‚ while
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Language of Anatomy What is anatomic position? - Human body is erect‚ with the feet only slightly apart‚ head and toes pointed forward‚ and arms hanging at the sides with palms facing forward. -two major divisions of human body surface are Axial‚ and Appendicular 2. Body orientation and direction. ~Superior- above ex. the nose is superior to the mouth ~Inferior- below ex. the abdomen is inferior to the chest ~Anterior- front ex. the face and the arms are in the anterior
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The Skeleton is made up of 206 bones. There are two sections in the skeleton‚ the axial skeleton and the appendicular skeleton. The axial skeleton supports the head‚ neck and torso‚ and the appendicular supports the limbs and attaches the limbs to the rest of the body. There are five types of bones in the body‚ short bones‚ long bones‚ flat bones‚ irregular bones‚ and sesamoid bones. The skeleton has many functions. It supports the body and gives the body its shape. It allows movement to occur. The
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Skeletal System Study Guide – Use the lecture folder to help you answer these questions. The more detail you add‚ the better prepared for the test you will be. 1. What are the functions of the skeleton? • Support • Movement • Protection • Mineral storage • Blood cell synthesis 2. What is the difference between osteoclasts and osteoblasts? Osteoclasts cause the bone tissue to break down and release calcium into the blood stream. When the calcium
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adult skeleton has 206 bones that are joined up with ligaments and tendons to make a protective and supportive framework for the muscles and the soft tissues which lie underneath it. The 206 bones form a rigid framework that the softer tissues and organs of the body are attached to‚ the vital organs are also protected by the Skeletal System‚ the brain is protected by the skull just like the heart and lungs are protected by the sternum and rib cage. The skeleton has two main parts: The Axial Skeleton
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invertebrate. The skeletal elements of the Poriferans‚ the spicules‚ are formed enzymatically by the anabolic | |enzyme silicatein and the catabolic enzyme silicase. Both‚ the spicules of Poriferans‚ comprise a basal skeleton made up of calcium carbonate‚| |central axial canal and an axial filament which harbors the silicatein. The data collected here substantiate the findings that Poriferans | |still exist. These findings are makes us further understand the basic pathways in the body plan formation
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Histology | 6A | | September 27 | Lab 2: Histology | | | October 2 | Lab 3: Integumentary System (Skin) | 7 & 8 | Lab Quiz 1 - histology | October 4 | Lab 4: Axial Skeleton: Skull | 10 & 12 | | October 9 | Lab 5: Axial Skeleton: Vertebrae‚ Ribs | 10 | Lab Quiz 2 - skull | October 11 | Lab 6: Appendicular Skeleton | 11 | Lab Quiz 3 – vert & ribs | October 16 | Lab 7: Articulations and Movements | 13 | | October 18 | EXAM 1 (Chapters 1-8) – no lab | | EXAM 1 | October
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Chapter 5 The Skeletal System Although the word skeleton comes from the Greek word meaning “dried-up body‚” our internal framework is so beautifully designed and engineered that it puts any modern skyscraper to shame. Strong‚ yet light‚ it is perfectly adapted for its functions of body protection and motion. The skeleton is subdivided into two divisions: the axial skeleton‚ the bones that form the longitudinal axis of the body‚ and the appendicular skeleton‚ the bones of the limbs and girdles. In addition
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Name the major components of the axial skeleton. Name those of the appendicular skeleton. a) Axial Skeleton i) Skull‚ Auditory ossicles‚ Hyoid bone‚ Vertebral Column‚ & Thoracic cage. b) Appendicular Skeleton i) Bones of the upper limb‚ pectoral girdle‚ lower limb‚ & pelvic girdle Briefly describe each of the following bone features: a condyle‚ crest‚ tubercle‚ fossa‚ sulcus‚ & foramen a) Condyle- a rounded knob that articulates with another bone‚ Crest- A narrow ridge‚ Tubercle-
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