![A treatise on zoology . ^^^^ Transverse section of a human humerus showing the structure of bone, with lacimae forbone-cells set in concentric rings round three Haversian canals. (From Quains ^/icJomu, bypermission A treatise on zoology . ^^^^ Transverse section of a human humerus showing the structure of bone, with lacimae forbone-cells set in concentric rings round three Haversian canals. (From Quains ^/icJomu, bypermission](https://c8.alamy.com/comp/2AJD7FX/a-treatise-on-zoology-transverse-section-of-a-human-humerus-showing-the-structure-of-bone-with-lacimae-forbone-cells-set-in-concentric-rings-round-three-haversian-canals-from-quains-icjomu-bypermission-of-the-publishers-blood-vessels-lymph-spaces-and-nerves-to-purkinge-is-due-thediscovery-of-the-microscopic-cavities-in-avhich-as-virchow-after-wards-showed-the-cells-or-so-called-bone-corpuscles-are-situatedamong-the-numerous-observers-who-have-since-completed-ourknowledge-of-this-complex-tissue-may-be-mentioned-tomes-toddand-bowman-sharpey-and-kolliker-bone-is-constit-2AJD7FX.jpg)
A treatise on zoology . ^^^^ Transverse section of a human humerus showing the structure of bone, with lacimae forbone-cells set in concentric rings round three Haversian canals. (From Quains ^/icJomu, bypermission
A Haversian canal with its surrounding lamellae and osteocytes constitutes a cylindrical unit of bone called
![2 Cross-section of bone showing a cortical bone and spongy/cancellous... | Download Scientific Diagram 2 Cross-section of bone showing a cortical bone and spongy/cancellous... | Download Scientific Diagram](https://www.researchgate.net/publication/349401821/figure/fig2/AS:1022230154719232@1620730069292/Cross-section-of-bone-showing-a-cortical-bone-and-spongy-cancellous-bone-Please-note-the.png)
2 Cross-section of bone showing a cortical bone and spongy/cancellous... | Download Scientific Diagram
![Drawing (A) and representation (B) of the concentric ring structure... | Download Scientific Diagram Drawing (A) and representation (B) of the concentric ring structure... | Download Scientific Diagram](https://www.researchgate.net/publication/257347766/figure/fig1/AS:213871605358599@1428002372899/Drawing-A-and-representation-B-of-the-concentric-ring-structure-typical-of-the.png)
Drawing (A) and representation (B) of the concentric ring structure... | Download Scientific Diagram
![Elementary physiology . Fig. 2.—Transverse section of compact tissue (of humerus). (Sharpey.) f Magnified about 150 diameters.) Three of the Haversian canals are seen, with their concentric rings, or lamellae; also Elementary physiology . Fig. 2.—Transverse section of compact tissue (of humerus). (Sharpey.) f Magnified about 150 diameters.) Three of the Haversian canals are seen, with their concentric rings, or lamellae; also](https://c8.alamy.com/comp/MA6YGP/elementary-physiology-fig-2transverse-section-of-compact-tissue-of-humerus-sharpey-f-magnified-about-150-diameters-three-of-the-haversian-canals-are-seen-with-their-concentric-rings-or-lamellae-also-the-lacunae-with-the-canaliculi-extending-from-them-across-the-direction-of-the-lamellae-to-employ-hollow-pillars-and-girders-when-he-designs-obtaining-the-greatest-strength-with-the-least-weight-of-material-at-the-ends-or-surfaces-of-the-bones-where-they-join-or-articiuate-together-there-is-found-a-layer-of-tissue-known-as-cartilage-or-gristle-this-tissue-is-closely-allied-MA6YGP.jpg)
Elementary physiology . Fig. 2.—Transverse section of compact tissue (of humerus). (Sharpey.) f Magnified about 150 diameters.) Three of the Haversian canals are seen, with their concentric rings, or lamellae; also
![Spongy (cancellous) bone differ from compact (dense) bone in that spongy bone:A. has a concentric ring structure B. is found in the diaphysis of long bonesC. contain many large cavitiesD. is made Spongy (cancellous) bone differ from compact (dense) bone in that spongy bone:A. has a concentric ring structure B. is found in the diaphysis of long bonesC. contain many large cavitiesD. is made](https://www.vedantu.com/question-sets/b863aaa5-5623-424c-abc6-3aed2b368bf31543328161907777442.png)