Spongy bone tissue fills part or all of the interior of many bones. 6. Spongy bone is sometimes called cancellous bone or trabecular bone. 4. C. The rate of bone remodeling increases in the elderly. a. Spongy bone resists stress from many directions while compact bone is extremely strong when stressed along the axis of alignment. E. All of the choices are correct. b. Spongy bone is strong along its main axis of alignment while compact bone resists stress from many directions. The spongy bones serve as a sort of shock absorber or cushion for the rigid compact bones. Instead, the lacunae and osteocytes are found in a lattice-like network of matrix spikes called trabeculae (singular = trabecula ) (Figure 7). O Osteoporosis thins compact bone and decreases the trabeculae of spongy bone. Its spaces hold red bone marrow. Spongy bone, also known as cancellous bone or trabecular bone, is a very porous type of bone found in animals. This type of bone is often also found on the edges of rounded bones like those of the arms and legs. 43. A. 25. Spongy bone: 45. Describe how analyses of molecular homologies contribute to the science of systematics. C. Spongy Bone: Spongy bones are also called cancellous or trabecular bones. Within about 48 hours after the fracture, chondrocytes from the endosteum have created an internal callus (plural = calli) by secreting a fibrocartilaginous matrix between the two ends of the broken bone, while the periosteal chondrocytes and osteoblasts create an external callus of hyaline cartilage and bone, respectively, around the outside of the break (Figure 2b). Its spaces hold red bone marrow. Biology (MindTap Course List) … Which of the following statements about bone remodeling and repair is correct? Chondrocytes enlarge and the surrounding matrix begins to calcify. Like compact bone, spongy bone, also known as cancellous bone, contains osteocytes housed in lacunae, but they are not arranged in concentric circles. Compact bones have more calcium than spongy, but they both contain levels of calcium essential for bone health. Bone occurs in two typical forms, spongy and compact. Enlarged chondrocytes die. A. Figure 1. Types of Fractures. As its name suggests, spongy bone is porous like a sponge, containing an irregular network of spaces. Visit this website to review different types of fractures and then take a short self-assessment quiz. The blood begins to clot, and about six to eight hours after the fracture, the clotting blood has formed a fracture hematoma (Figure 2). Spongy bone e. Compact bone Feedback The correct answer is: Spongy bone Question 26 Incorrect Mark 0.00 out of 2.50 Flag question Question text What is the material within the spaces of spongy bone at the end of the humerus? Though, these bones are a little softer as compared to compact bones, these are not literally spongy as their name may indicate. When a bone breaks, blood flows from any vessel torn by the fracture. No, spongy bone does not have osteons. 3. CORRECT: anatomose 3. marrow 4. stress b. spongy bone is lighter than ___ bone which reduces the weight of the skeleton (No Answer) 1. blood 2. open 3. stress 4. b. Spongy bone, also called cancellous or trabecular bone, is one of the two types of calcium tissue that make up bones in the human body. Which of the following is NOT true about spongy bone? Spongy bone tissue does not contain osteons that constitute compact bone tissue. Towards the center of the bone, the bone gets more hollow. E. All of the choices are correct. Chapter 6 - Bones and Sketetal Tissue (True/False) 1. a. Spongy bone. 1. Spongy bone is also referred to as cancellous bone. Spongy bone tissue does not contain osteons that constitute compact bone tissue. It is composed of tubular units called osteons. 2. Healthy bone marrow is an essential part of the body, as it contains stem cells that produce blood cells and the cells that make up the immune system. Answer: a. While the spongy bone tissue itself does not contain blood vessels, the surrounding marrow is full of capillaries, and helps transfer nutrients and other metabolic products from the blood to the bone tissue. Which is not a correct association of bone structures and functions? False. http://cnx.org/contents/14fb4ad7-39a1-4eee-ab6e-3ef2482e3e22@7.1@7.1. View desktop site. Cancellous or spongy bone is made up of trabecules shaped as plates or rods interspersed between bone marrow that represents more than 75% of the cancellous bone volume. Chondrocytes enlarge and the surrounding matrix begins to calcify. Its Correct ! Spongy bone and compact bone make up the long bones of the human skeleton.Long bones are longer than they are wide, like the tibia and the femur. If the bone is not reset correctly, the healing process will keep the bone in its deformed position. It is nonlamellar bone or bundle bone. Instead, the lacunae and osteocytes are found in a lattice-like network of matrix spikes called trabeculae (singular = trabecula) ( [link] ). A. Growth plate-contributes to increase in bone length B. Bone is not uniformly solid, but consists of a flexible matrix (about 30%) and bound minerals (about 70%) which are intricately woven and endlessly remodeled by a group of specialized bone cells. B. is composed of tubular units called osteons. As bone loss occurs in spongy bone, the thick plates and rods become very thin and the continuity of structure is lost. Enlarged chondrocytes die. It is located deep to compact bone. a. the length of the bone has to be at least twice the width of the bone b. the two ends of the bone dilate out c. the length of the bone has to be at least the half the width of the bone d. A & B e. B & C 33. Though this bone is not quite as strong as compact bone, it is somewhat more flexible and is useful in bones that are jointed. QUESTION 16 Which statement is true regarding osteoporosis? 0 Bone Marrow: The soft, spongy tissue found in the center of most bones where all blood cells are produced. It is composed of tubular units called osteons. Perichondrial cells become osteoblasts and produce a superficial layer of bone. Open reduction requires surgery to expose the fracture and reset the bone. Fractures are classified by their complexity, location, and other features (Figure 1). Table 1 outlines common types of fractures. Compare healthy bone with different types of fractures: (a) closed fracture, (b) open fracture, (c) transverse fracture, (d) spiral fracture, (e) comminuted fracture, (f) impacted fracture, (g) greenstick fracture, and (h) oblique fracture. Bone matrix consists of organic and inorganic components. Which is not correct about spongy bone? True. d. It adds strength to bone without adding mass. C) The endosteum is the layer of tissue that lines the inner portion of bones. Bone fracture is partial or complete break in the contimuity of the bone B. Most osteoporosis cases occur in older men. B. This makes spongy bone much less dense than compact bone. Like compact bone, spongy bone, also known as cancellous bone, contains osteocytes housed in lacunae, but they are not arranged in concentric circles. Which of the following is the most superficial layer of the epidermis? *Response times vary by subject and question complexity. 7. True False An Active Muscle (i.e., One Innervated By The Nervous System) Always Shortens. Cancellous bone, also called trabecular bone or spongy bone, light, porous bone enclosing numerous large spaces that give a honeycombed or spongy appearance. Most osteoporosis cases occur in older men. It is organized into structures that resemble a bridge’s supporting girders. c. The organic matrix of bone is produced by osteoblasts. D) Spongy bones contain trabeculae, not osteoblasts. Privacy Also found in bones: Informally, the spongy bone is often termed as the inner bone as it constitutes that specific part of the bone. 5. Which is not correct about spongy bone? Red bone marrow is what makes red blood cells. QUESTION 38 Which Is Correct About Osteoporosis? It is less dense than compact bone. CORRECT: compact b. spongy bone is not arranged in ___ (No Answer) 1. marrow 2. stress 3. c. It is soft and spongy. Instead, it consists of trabeculae, which are lamellae that are arranged as rods or plates. 82 sentence examples: 1. A. Spongy bone definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Compact bone: A. is located deep to spongy bone in the diaphysis. 4. Which of the following phrases describes osteoblasts? © 2003-2020 Chegg Inc. All rights reserved. As a long bone increases in diameter, the size of the marrow cavity decreases. It is also the part where the red bone marrow gets stored after it is developed. Compact and spongy tissues in a flat bone. Spongy bones are located primarily in the middle of the long bones. Smoking and alcohol do not contribute to osteoporosis. Spongy bone is lighter, softer, and weaker than compact or cortical bone, the other type of calcium tissue, but it has a greater surface area and is much more vascular, or supplied with blood vessels. Whereas compact bone tissue forms the outer layer of all bones, spongy bone or cancellous bone forms the inner layer of all bones. → It is composed of tubular units called osteons. Both compact bone and spongy bones are structural bones. These vessels could be in the periosteum, osteons, and/or medullary cavity. 2. Solution for Which of the following is NOT correct? Instead, the lacunae and osteocytes are found in a lattice-like network of matrix spikes called trabeculae (singular = trabecula) (Figure 6.11). Spongy bone tissue does not contain osteons that constitute compact bone tissue. b)The periosteum is made of fibrous connective tissue and anchors tendons and ligaments. B. is composed of tubular units called osteons. Spongy bones (otherwise known as cancellous bone) are highly vascularized bones that have red bone marrow. A cast will allow the bone to heal in the correct position. 100. Structure. They form the epiphyses (bond ends) of long bones. Mature cartilage is avascular. The greater surface area also makes it suitable for metabolic activities such as the exchange of calcium ions. a. 1. A slight swelling may remain on the outer surface of the bone, but quite often, that region undergoes remodeling (Figure 2d), and no external evidence of the fracture remains. It is less dense than compact bone. For example, a fractured diaphysis of the femur has the potential to release fat globules into the bloodstream. (2) Spongy bone: They are soft and light bones make up of loosely packed trabeculae. Their unique composition and design allows bones to be relatively hard and strong, while remaining lightweight.. The organic matrix of bone consists of ground substance and collagenous fibers. 1. Red bone marrow is what makes red blood cells. Which of the following statements is NOT true about spongy bone? Instead, the lacunae and osteocytes are found in a lattice-like network of matrix spikes called trabeculae (singular = trabecula ) (Figure 7). b. Which of the statements are TRUE about the criteria’s of long bones? Which is not correct about spongy bone? Instead, it consists of trabeculae, which are lamellae that are arranged as rods or plates. 2. C. has a brace-like arrangement of trabeculae. Which is not correct about spongy bone? D. It is found in the bones of joints. (c) Cartilage of the calli is replaced by trabecular bone. A. b. It is organized into structures that resemble a bridge’s supporting girders. Which is characteristic of cartilage connective tissue? Cancellous (trabecular or spongy) bone: This consists of a network of trabeculae or rod-like structures. The lightweight interior of bone is composed of spongy bone. As the calcium availability to the spongy bone is not that exclusive, such bones can also suffer due to the severe bone diseases like osteoporosis. Bone remodeling involves removal of old bone by osteoblasts. The wakened bone is more fragile and get fractures. Though, these bones are a little softer as compared to compact bones, these are not literally spongy as their name may indicate. Increased calcitonin is thought to cause osteoporosis. It is less dense than compact bone. Which of the following is NOT true about spongy bone? Some fractures may be described using more than one term because it may have the features of more than one type (e.g., an open transverse fracture). Immature bone is woven bone. & It forms diploe in the cranial bones. Spongy bones do not contain these haversian systems. Spongy bone has a greater surface area than cortical bone but makes up only 20 percent of bone mass. Question 38 Osteoporosis is the condition in which bone resorption rate become more compared to boneformation rate, causes damage oof bone tissue. ... A bone that is imbedded in a ligament or tendon is a short bone. D. It is located in the epiphyses of long bones. C. It is less dense than compact bone. (b) Internal and external calli form. It is denser than compact bone. True or False. The skeleton, however, does not cleanse the blood; that function is performed by the liver, kidneys, and spleen. c. It is soft and spongy. It is highly vascularized and contains red bone marrow. Compact bone is also called dense bone. Cancellous bone has a higher surface-area-to-volume ratio than cortical bone and it is less dense.This makes it weaker and more flexible. The bone matrix, or framework, is organized into a three-dimensional latticework of bony processes, called trabeculae, arranged along lines of … The smallest veins are in direct contact with chlorenchyma, both palisade and spongy tissue. Increased calcitonin is thought to cause osteoporosis. aerobic cells generate lactic acid while anaerobic cells do not aerobic cells lack mitochondria while anaerobic cells have abundant mitochondria. 3. Doctors often use casts to treat fractures in the leg, foot, arm, and wrist bones. B. Spongy Bone Definition. a. They serve the purpose of protecting our bodies and also provide a structure and … d. The inorganic matrix consists mostly of calcium phosphate crystals. This is why it is called spongy. 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