Johann Friedrich Meckel

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Meckel, Johann Friedrich

 

Born Oct. 17, 1781, in Halle, Saxony; died there Oct. 31, 1833. German biologist.

Meckel studied in Halle, Göttingen, Würzburg, and Vienna. In 1808 he became a professor at Halle. His principal works deal with comparative vertebrate morphology. Meckel was one of the creators of the theory that individual development in extant higher animals passes through stages similar to the adult states of extant lower animals. Meckel described a number of morphological formations, which are named for him. In 1812 he translated into German K. F. Wolffs On the Formation of the Intestinal Tract in the Chick (1768), which advanced the dissemination of his theory of epigenesis.

WORKS

Beiträge zur vergleichenden Anatomic, 2 vols. Leipzig, 1811.
System der vergleichenden Anatomie, 5 vols. Halle, 1821–33.
References in periodicals archive ?
Baseline cranial contrast enhanced MRI detected a nonspecific inflammatory granulomatous lesion in the right cavernous sinus extending basally towards the right trigeminal cave (Meckel's cave) and anteriorly towards the apex of the right orbit.
Post contrast T1 MRI weighted images detected diffuse enhancement in the area of the right cavernous sinus, extending basally towards the trigeminal cave and anteriorly towards the apex of the right orbit, with right-sided temporal-basal dural sheath imbibition and along the clivus.
Follow-up contrast enhanced MRI of the brain was performed and showed significant regression of the post-contrast signal intensity in the right cavernous sinus, previously extending basally towards the trigeminal cave and anteriorly towards the apex of the right orbit, with right-sided temporal-basal dural sheath imbibition and imbibitions along the clivus (Fig.