File:Keibel Mall 297.jpg

From Embryology

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Fig. 297. Human Embryo Limb Skeleton

In an embryo 20 mm. long the cartilaginons anlages of various bones of the superior extremity are all well marked, except those of the distal row of the phalanges of the fingers. The clavicle extends from the acromion to the sternum. It is composed of a peculiar kind of precartitaginous tissue. The general shape of the other cartilages may be seen from Fig. 297. The spine of the scapula is not yet distinct. There are distinct coraccclavicular, costoclavicular, and interclavicular ligaments. There is no joint cavity at the shoulder, but a capsular and a coraeo-humeral ligament may be distinguished. The humerus has well-marked tuberosities and condyles. The ulna and radius are larger and longer than at the preceding stage. The olecranon, coraccid, and styloid processes are composed of cartilage and condensed tissue. The perichondrium about the ulna and radius is quite thick. The capsular and annular ligaments are present, but there are no joint cavities.


Limb Images: 274-278 Spinal Column and Lower Limb | 279-284 Lower Limb | 285-288 Knee | 289 Os Coxae | 290 Femur | 291 Tibia | 292 Fibula | 293 Foot | 294 | 295 | 296 | 297 | 298-299 | 300 Forearm and Hand | 301 Upper Limb Joints | 302 Clavicle | Upper Limb Ossification 1 | Upper Limb Ossification 2 | Bone Development Timeline


Skeleton and Connective Tissues: Connective Tissue Histogenesis | Skeletal Morphogenesis | Chorda Dorsalis | Vertebral Column and Thorax | Limb Skeleton | Skull Hyoid Bone Larynx


KM Figure Links: The Germ Cells | Segmentation | First Primitive Segment | Gastrulation | External Form | Placenta | Axial Skeleton | Limb Skeleton | Skull | Muscular System



   Manual of Human Embryology I 1910: The Germ Cells | Fertilization | Segmentation | First Primitive Segment | Gastrulation | External Form | Placenta | Human Embryo and Fetus Age | Ovum Pathology | Integument | Skeleton and Connective Tissues | Muscular System | Coelom and Diaphragm | Figures | Manual of Human Embryology 1 | Manual of Human Embryology 2 | Franz Keibel | Franklin Mall | Embryology History

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Cite this page: Hill, M.A. (2024, April 25) Embryology Keibel Mall 297.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Keibel_Mall_297.jpg

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current18:51, 27 August 2012Thumbnail for version as of 18:51, 27 August 2012371 × 291 (16 KB)Z8600021 (talk | contribs)==Fig. 297 Human Embryo Limb Skeleton== {{KM Skeleton}} {{Keibel_Mall Images}}