Can you help me with this activities and explain, I can’t identify the structure. ACTIVITY 2your computer to view images that show cross-sections ofshould appear similar to Figure 6-2. A number of central canals should be visible in each image;Usecompactbone. What you seetheseeither black or clear, dependingon how the slide was prepared. Around cachmay appearcentral canal you should be able to observe circular patterns of smaller black spots. Each ofspots is a lacuna, and in living bone an osteocyte would be found within each lacuna.View some higher magnification images. You should be able to sce that each lacuna looks likea spider with many legs radiating from its body. The "legs" are the canaliculi, and you can scehow they connect the lacunae to cach other. Ironically, the dense, solid matrix appears clearwhen viewing it with a microscope. In the figure below, identify the following structures:thesecentral canal, lacuna, canaliculi, lamella.Figure 6-2B. Compact bone:perforating canal.Figure 6-2A. Compact bone: osteon.Use your computer to view longitudinal sections of compact bone. Look for canals runningthrough the tissue. In a good image you should see one or more long canals runninghorizontally, vertically, or diagonally across the image (the orientation simply depends on howthe technician placed the tissue on the slide). You should also see one or more small canalsbranching off the longer canals. The longer, more prominent canals are the central canals.Remember, you are viewing them longitudinally rather than in cross-section! The branches arecalled perforating canals, and they link the central canals to cach other. As with the imagesof cross-sections, these canals may appear either dark or clear, depending upon how the slidewas prepared. Take the time to look at multiple images, since they may appear different. Besure that you can distinguish a central canal from a perforating canal. By the way, lacunae andcanaliculi are dearly visible in the longitudinal view, but you will not see the circular pattern oflamellae in this view. In the space below, draw a picture of the longitudinal section of centralcanals and perforating canals.OPGCC Department of Biological ScicncesBiological Sciences

Compact bone Bone which consists of closely packed osteons or haversian systems.

ACTIVITY 2 e your computer to view images that show cross-sections of compact bone. What you see should appear similar to Figure 6-2. A number of central canals should be visible in each image; these may appear either black or clear, depending on how the slide was prepared. Around cach central canal should be able to observe circular patterns of smaller black spots. Each of these spots is a lacuna, and in living bone an ostcocyte would be found within each lacuna. View some higher magnification images. You should be able to sce that each lacuna looks like a spider with many legs radiating from its body. The "legs" are the canaliculi, and you can sce how they connect the lacunae to cach other. Ironically, the dense, solid matrix appears clear when viewing it with a microscope. In the figure below, identify the following structures: central canal, lacuna, canaliculi, lamella. Use you Figure 6-2B. Compact bone: perforating canal. Figure 6-2A. Compact bone: osteon. OPGCC Deparment of Biological Sciences OPGCC Depament of Biological Scionces

ACTIVITY 2 e your computer to view images that show cross-sections of compact bone. What you see should appear similar to Figure 6-2. A number of central canals should be visible in each image; these may appear either black or clear, depending on how the slide was prepared. Around cach central canal should be able to observe circular patterns of smaller black spots. Each of these spots is a lacuna, and in living bone an ostcocyte would be found within each lacuna. View some higher magnification images. You should be able to sce that each lacuna looks like a spider with many legs radiating from its body. The "legs" are the canaliculi, and you can sce how they connect the lacunae to cach other. Ironically, the dense, solid matrix appears clear when viewing it with a microscope. In the figure below, identify the following structures: central canal, lacuna, canaliculi, lamella. Use you Figure 6-2B. Compact bone: perforating canal. Figure 6-2A. Compact bone: osteon. OPGCC Deparment of Biological Sciences OPGCC Depament of Biological Scionces

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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