Nucleus of Darkschewitsch

Nucleus of Darkschewitsch
Details
LocationMidbrain
Anatomical terms of neuroanatomy

The nucleus of Darkschewitsch is an accessory oculomotor nucleus situated in the ventrolateral portion of the periaqueductal gray of the mesencephalon (midbrain): 114 : 458.e1  near its junction with the diencephalon. It is involved in mediating vertical eye movements. It projects to the trochlear nucleus, receives afferents from the visual cortex, and forms a reciprocal (looping) connection with the cerebellum by way of the inferior olive.

Anatomy

Connections

It receives afferents from the visual association areas (via the corticotectal tract),: 241  vestibular nuclei (via the medial longitudinal fasciculus),: 402  and from the spinomesencephalic tract.: 433.e1 

It gives rise to the medial tegmental tract to project efferents to the (rostral portion of) medial accessory olivary nucleus: 458.e1  → ((decussation) inferior cerebellar peduncle → (contralateral) globose nucleus of cerebellum → superior cerebellar peduncle (decussation) → (rostral part of) medial accessory olivary nucleus → (ipsilateral) nucleus of Darkschewitsch: 484 ).

It projects (directly or indirectly) to the trochlear nucleus.: 457 

Relations

It is situated near the oculomotor nucleus.: 321  It is situated just dorsomedial to the interstitial nucleus of Cajal, the medial longitudinal fasciculus, and red nucleus.: 458.e1 

References

  1. 1 2 Kiernan, John A.; Rajakumar, Nagalingam (2013). Barr's The Human Nervous System: An Anatomical Viewpoint (10th ed.). Philadelphia: Wolters Kluwer Lippincott Williams & Wilkins. p. 156. ISBN 978-1-4511-7327-7.
  2. 1 2 3 4 Patestas, Maria A.; Gartner, Leslie P. (2016). A Textbook of Neuroanatomy (2nd ed.). Hoboken, New Jersey: Wiley-Blackwell. ISBN 978-1-118-67746-9.
  3. 1 2 3 4 5 6 Standring, Susan (2020). Gray's Anatomy: The Anatomical Basis of Clinical Practice (42th ed.). New York: Elsevier. ISBN 978-0-7020-7707-4. OCLC 1201341621.