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medulla oblongata

Go to external page http://purl.obolibrary.org/obo/UBERON_0001896

Organ component of neuraxis that has as its parts the medullary reticular formation, inferior olivary complex and cochlear nuclear complex, among other structures[FMA]. The medulla oblongata lies directly above the spinal cord and controls vital autonomic functions such as digestion, breathing and the control of heart rate[GO]. [ http://amigo.geneontology.org/amigo/term/GO:0021550 http://en.wikipedia.org/wiki/Bone_marrow_of_ovary_oblongata ]

Term info

Label

medulla oblongata

Synonyms
  • bulbus
database cross reference
Subsets

uberon_slim, efo_slim, pheno_slim, vertebrate_core

latin term
bulbus [ FMA : 62004 FMA : TA ]

depicted by

http://upload.wikimedia.org/wikipedia/commons/6/6b/Illu_pituitary_pineal_glands.jpg

external definition

The posterior region of the brain that is continuous with the spinal cord. [Bemis_WE, Functional_Anatomy_of_the_Vertebrates:_An_Evolutionary_Perspective, Glossary_G-17, Grande_L, Liem_KF, Third_Edition_(2001)_Orlando_Fla.:_Harcourt_College_Publishers, Walker_WF][VHOG], Posterior portion of the hindbrain which controls respiration, heartbeat, digestion, and swallowing as well as some locomotor responses.[AAO]

has broad synonym

medulla, bulb

has related synonym

metepencephalon, medulla oblonzata

homology notes

Classical anatomical studies subdivided the vertebrate rhombencephalon into pons and medulla oblongata. (...) The medulla oblongata appears therefore as a tagma, that is, a group of segmental units (pseudorhombomeres, in this case) sharing some morphological and molecular characteristics, and in some aspects different from the segmental units present in adjoining brain regions, pons and spinal cord.[well established][VHOG]

id

UBERON:0001896