Neurology Book

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Pons

Aka: Pons, Pontine Structure, Pons Cerebri
  1. See Also
    1. Brain Stem
  2. Anatomy: Components
    1. Fourth Ventricle
    2. Nucleii (organized in anterior-to-posterior bands)
      1. Somatic Motor Nucleii (most medial)
        1. CN 6: Abducens Nerve (eye)
      2. Somatovisceral nerves (Branchiomeric Nerves)
        1. CN 5: Trigeminal Nerve (motor nucleus 5, chew)
        2. CN 7: Facial Nerve (facial nucleus, lips/eyes)
      3. Visceral Motor Nucleii
        1. CN 7: Facial Nerve (Superior Salivatory Nucleus)
    3. Spinocerebellar Tract
      1. Continued tracts for transmitting UNCONSCIOUS proprioception sensation (e.g. walking)
      2. Remains ipsilateral as it courses to the Cerebellum via the superior and inferior peduncles
    4. Spinothalamic Tract
      1. Continued pain and Temperature sensation tracts from the spinal cord
    5. Medial Lemniscus
      1. Proprioception sensation from Posterior Columns (via Internal Arcuate Tract)
      2. Within the tract, head is represented medially and legs laterally (as if lying, with head against the midline)
    6. Corticospinal tract
      1. Continued motor tracts to the spinal cord
  3. Anatomy: Vascular
    1. Basilar Artery
      1. Supplies midline pons
    2. Anterior cerebellar artery
      1. Supplies pons between Basilar Artery and Superior Cerebellar Artery
    3. Superior Cerebellar Artery
      1. Supplies posterolateral pons
  4. Anatomy: Images
    1. Rostral (superior cross-section)
      1. ponsRostral.png
    2. Caudal (inferior cross-section)
      1. ponsCaudal.png
    3. Other cross section
      1. neuroPonsXsGrayBB701.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
  5. References
    1. Gilman (1989) Manter and Gatz Essentials of Neuroanatomy and Neurophysiology, Davis, p. 81-96
    2. Goldberg (2014) Clinical Neuroanatomy, Medmaster, p. 24-39
    3. Netter (1997) Atlas Human Anatomy, ICON Learning, p. 108-12

Pontine structure (C0032639)

Definition (FMA) Organ component of neuraxis that has as its parts the pontine tegmentum and basal part of pons. Examples: There is only one pons.
Definition (CHV) a part of the brain structure
Definition (CHV) a part of the brain structure
Definition (CHV) a part of the brain structure
Definition (NCI_CDISC) The middle portion of the brainstem located between the midbrain and the medulla oblongata.
Definition (NCI) The middle portion of the brainstem located between the midbrain and the medulla oblongata. The fourth ventricle lies dorsal to the pons which also contains the motor trigeminal nuclei and the abducens nuclei. The cerebellum contributes a large number of afferent fibers to the pons.
Definition (NCI_NCI-GLOSS) Having to do with the pons (part of the central nervous system, located at the base of the brain, between the medulla oblongata and the midbrain).
Definition (NCI_NCI-GLOSS) Part of the central nervous system, located at the base of the brain, between the medulla oblongata and the midbrain. It is part of the brainstem.
Definition (MSH) The front part of the hindbrain (RHOMBENCEPHALON) that lies between the MEDULLA and the midbrain (MESENCEPHALON) ventral to the cerebellum. It is composed of two parts, the dorsal and the ventral. The pons serves as a relay station for neural pathways between the CEREBELLUM to the CEREBRUM.
Definition (CSP) part of the central nervous system lying between the medulla oblongata and the mesencephalon, ventral to the cerebellum, and consisting of a pars dorsalis and a pars ventralis.
Concepts Body Part, Organ, or Organ Component (T023)
MSH D011149
SnomedCT 49557009
English Pons, Pons of Varolius, ponto, pontine, pons, pons cerebri, Metencephalon, PONS VAROLII, BRAIN, PONS, Varolii, Pons, Pontes, Pons Varolius, Ponte, Varolius, Pons, Pons Varolii, Pons cerebri, Pontine structure (body structure), Pontine structure, Pons, NOS, Pontine, Pons Cerebelli
Swedish Hjärnbrygga
Czech pons, most Varolův
Spanish Puente, Puente de Varolio, Protuberancia, estructura pontina (estructura corporal), estructura pontina, protuberancia cerebral, protuberancia
Finnish Aivosilta
Russian ZADNII MOZG, VAROLIEV MOST, MOST MOZGA, МОСТ МОЗГА, ВАРОЛИЕВ МОСТ, ЗАДНИЙ МОЗГ
Croatian Not Translated[Pons]
Latvian Varolija tilts
Polish Most
Norwegian Hjernebru, Pons, Hjernebro
Portuguese Ponte de Varólio, Ponte
French Protubérance annulaire, Pont de Varole, Pont (encéphale), Pont
German Pons
Italian Ponte
Dutch Pons, Pons Varoli, Pons cerebelli
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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