| Hertwig's sheath | The merged outer and inner epithelial layers of the enamel organ which extends beyond the region of the anatomical crown and initiates formation of dentin in the root of a developing tooth; it atrophies as the root is formed, and any of the cells that persist are called Malassez' epithelial rests. (05 Mar 2000) |
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| Magendie-Hertwig sign | <clinical sign> Skew deviation of the eyes in acute cerebellar lesions. Synonym: Magendie-Hertwig syndrome. (05 Mar 2000) |
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| Magendie-Hertwig syndrome | <clinical sign> Skew deviation of the eyes in acute cerebellar lesions. Synonym: Magendie-Hertwig syndrome. (05 Mar 2000) |
| Hertwig, Richard | <person> German zoologist, 1850-1937. See: Magendie-Hertwig sign, Magendie-Hertwig syndrome. (05 Mar 2000) |
| Hertwig, Wilhelm | <person> German embryologist, 1849-1922. See: Hertwig's sheath. (05 Mar 2000) |