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Encyclopedia > OBEX
Brain: Obex
Hind-brain of a human embryo of three months—viewed from behind and partly from left side.
Rhomboid fossa.
Gray's subject #187 797
NeuroNames hier-633
Dorlands/Elsevier o_01/12585770

The obex (from the Latin for barrier) is the point in the human brain at which the fourth ventricle narrows to become the central canal of the spinal cord. Image File history File links No higher resolution available. ... Image File history File links Gray709. ... NeuroNames is a system of nomenclature for the brain and related structures. ... Elseviers logo. ... This article is about obex portion of the brain. ... Latin was the language originally spoken in the region around Rome called Latium. ... The human brain controls the central nervous system (CNS), by way of the cranial nerves and spinal cord, the peripheral nervous system (PNS) and regulates virtually all human activity. ... The fourth ventricle is one of the four connected fluid-filled cavities within the human brain. ... Cross-section through cervical spinal cord. ... The Spinal cord nested in the vertebral column. ...

The obex occurs in the caudal medulla. In sciences dealing with the anatomy of animals, precise anatomical terms of location are necessary for a variety of reasons. ... The medulla oblongata is the lower portion of the brainstem. ...

The decussating of sensory fibers happens at this point. The decussation of the sensory fibers of the fasciculus gracilis and fasciculus cuneatus is situated above that of the motor fibers, and is named the decussation of the lemniscus or sensory decussation. ...

External links

  • Photo at aphis.usda.gov

Obex is also a verb meaning "to throw in the way" or "to hinder." Figure 1a: A human brain, with the cerebellum in purple. ... Figure 1a: A human brain, with the cerebellum in purple. ... The introduction to this article provides insufficient context for those unfamiliar with the subject matter. ... Figure 1a: A human brain, with the cerebellum in purple. ... Figure 1a: A human brain, with the cerebellum in purple. ... The fourth ventricle is one of the four connected fluid-filled cavities within the human brain. ... The Median Aperture of the brain (apertura medialis ventriculi quarte) or Foramen of Magendie is an opening in the hollow nerve tube, connecting the 4th ventricle of the brain with the subarachnoid space The median aperture along with the paired lateral apertures (foramina of Luschka) are the primary routes for... The two lateral apertures (or foramina of Luschka), along with the median aperture, comprise the three openings in the roof of the fourth ventricle. ... The anterior part of the fourth ventricle is named, from its shape, the rhomboid fossa, and its anterior wall, formed by the back of the pons and medulla oblongata, constitutes the floor of the fourth ventricle. ... The cells of the dorsal nucleus are spindle-shaped, like those of the posterior column of the spinal cord, and the nucleus is usually considered as representing the base of the posterior column. ... In the upper part of the medulla oblongata, the hypoglossal nucleus approaches the rhomboid fossa, where it lies close to the middle line, under an eminence named the hypoglossal trigone. ... In the fourth ventricle, the sulcus limitans forms the lateral boundary of the medial eminence. ... The facial colliculus is an elevated area located on the dorsal medulla. ... The rhomboid fossa is divided into symmetrical halves by a median sulcus which reaches from the upper to the lower angles of the fossa and is deeper below than above. ... The lateral recess is a projection of the fourth ventricle which extends into the inferior cerebellar peduncle of the brainstem. ...

  Results from FactBites:
OBEX. Transfer files between a Pocket PC and a Palm or a Symbian device Articles. Pocket PC Developer Network (1045 words)
The Palm and the Symbian devices utilize the OBEX protocol for IR transfers, however, some Pocket PC devices, particularly the ones that are the pre Pocket PC 2002 devices, do not support the OBEX protocol.
Once the packet data is received, it is understood using the OBEX standard specifications and an appropriate response is sent to the client.
Query that device for the OBEX LSAPSel identifier and connect using that.
  More results at FactBites »



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