File:Human brain left midsagitttal view closeup description 2.JPG

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Summary

Description

Human brain left - midsagitttal view - closeup

  1. Corpus callosum, Rostrum
  2. Corpus callosum, Genu
  3. Corpus callosum, Corpus
  4. Corpus callosum, Splenium
  5. Septum pellucidum
  6. Fornix, Corpus
  7. Glandula epiphysialis
  8. Recessus pinealis
  9. Habenula
  10. Stria medullaris thalami
  11. Thalamus (Pars dorsalis)
  12. Adhaesio interthalamica
  13. Plexus choroideus
  14. Foramen interventriculare
  15. Comissura anterior
  16. Hypothalamus
  17. Lamina terminalis
  18. Recessus supraopticus
  19. Recessus infundibuli
  20. Infundibulum
  21. Tuber cinerum
  22. Corpora mamillaria
  23. Sulcus hypothalamicus (blue line)
  24. Mesencephalon (Crus cerebri)
  25. Tegmentum mesencephali
  26. Aqaeductus mesencephali
  27. Tectum mesencephali, a) Colliculus superior B) C. inferior
  28. Pons
  29. Ventriculus quartus
  30. Cerebellum
  31. Comissura posterior


The Thalamus (Diencephalon) is part of the Forebrain and is divided into Dorsal Thalamus (Superior), Hypothalamus (Inferior and Medial) and Subthalamus (Lateral to Hypothalamus).

On a half brain specimen, the Thalamus can be identified. The Thalamus (anteroom) is connected caudally with the midbrain and rostrally with the cerebral hemispheres. Note that the walls of the 3rd ventricle are completely formed by the Thalamus. The Hypothalamic Sulcus separates the Dorsal Thalamus superiorly from the Hypothalamus inferiorly. The subthalamus is located lateral to the hypothalamus and is not visible here.

The anterior wall of the 3rd ventricle is a thin sheet of tissue called the Lamina Terminalis. In the Dorsal Thalamus note the Interthalamic Adhesion (Massa Intermedia), and the three parts of the Epithalamus: Stria Medullaris Thalami, Habenula, and the Pineal Gland. The floor of the Hypothalamus is made up of the Infundibulum, which connects with the pituitary gland, and posteriorly, the Tuber Cinereum and Mammillary Body.


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Source http://www.healcentral.org/healapp/showMetadata?metadataId=40566 (Internet Archive of file description page)
Author

John A Beal, PhD

Dep't. of Cellular Biology & Anatomy, Louisiana State University Health Sciences Center Shreveport
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 Human brain left midsagitttal view closeup.JPG

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Human brain left midsagitttal view closeup description

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30 November 2005

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Date/TimeThumbnailDimensionsUserComment
current19:28, 22 June 2006Thumbnail for version as of 19:28, 22 June 2006701 × 490 (61 KB)Patho
18:47, 22 June 2006Thumbnail for version as of 18:47, 22 June 2006701 × 490 (61 KB)Patho{{Information| |Description='''Human brain left - midsagitttal view - closeup''' # Corpus callosum, Rostrum # Corpus callosum, Genu # Corpus callosum, Corpus # Corpus callosum, Splenium # Septum pellucidum # Fornix, Corpus # Glandula epiphysialis # Reces
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