located inont0… borne bre ECM and function to the bone ECM the bone ECM ecunae,

Question

located inont0… borne bre ECM and function to the bone ECM the bone ECM ecunae, buld buld bone Vhat is the general function of a bone projection? itpones a pathway akrg h blood vesses or ner es travel. t provides a point of attachment for tendons or igamens houses or protects structures such blood vesses serwy organs. c Examples of short bones include a the phalanges (oones of the fingers). b. the sternum ankie bones d. Both a and b are correct e. Both a and c are comect 7)Long bones are a named for their length. b. about as long as they are wide. irregular in shape onger than they are wide 8) Label the following parts of a long bone on Figure 7.11 Articular cartilage Diaphysis Distal epiphysis Medullary cavity Perosteurn Epiphyseal lines Perforating fibers D Proximal epiphysis Red bone marrow Yellow bone marrow 9 The epiphyseal line is RGURE 7.11 Adult long bone: the femur. a. the structure from which long bones grow in length b. a remnant of the structure from which long bones grow in length. c. composed of hyaline cartilage d. found lining the surface of the epiphysis. 10 In the zone of ossification of the epiphyseal plate a. chondrocytes are actively dividing b. chondrocytes are maintained in a reserve to divide if needed c chondrocytes begin to enlarge in their lacunae as they mature d chondrocytes are calcified and abut the diaphysis with osteoblasts 170 Exploring Anatomy& Physiology in the Laboratony

Explanation / Answer

4) c) osteocytes are located in lacunae which is contained in the calcified matrix of bone

function of osteocyte is to build bone matrix

they are derived from osteoblasts

5)b) elevations appear on the bone where the ligaments and tendons attach and where other bones articulate at the joint

depressions and grooves provide pathway for the nerves and vessels to travel

6)c) ankle bones are short bones

tarsals in the ankle such as calcaneus,talus,navicular,cuboid,lateral,cuneiform, intermediate cuneiform and medial cuneiform are short bones

7)d) long bones are longer than they are wide

femur is the longest bone in the body

long bones are mostly located in the appendicular skeleton

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