| Hyrtl's anastomosis | A communicating loop between the right and left hypoglossal nerves, lying between the geniohyoid and genioglossus muscles or in the substance of the geniohyoid; it is found in about one in ten persons. Synonym: Hyrtl's anastomosis. (05 Mar 2000) |
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| Hyrtl's epitympanic recess | The upper portion of the tympanic cavity above the tympanic membrane; it contains the head of the malleus and the body of the incus. Synonym: recessus epitympanicus, attic, epitympanic space, epitympanum, Hyrtl's epitympanic recess, tympanic attic. (05 Mar 2000) |
| Hyrtl's foramen | An occasional foramen in the sphenoid bone through which passes the motor portion of the trigeminal nerve; it is formed by ossification of a ligament below and lateral to the foramen ovale. Synonym: Hyrtl's foramen. (05 Mar 2000) |
| Hyrtl's loop | A communicating loop between the right and left hypoglossal nerves, lying between the geniohyoid and genioglossus muscles or in the substance of the geniohyoid; it is found in about one in ten persons. Synonym: Hyrtl's anastomosis. (05 Mar 2000) |
| Hyrtl's sphincter | A band, generally incomplete, of circular muscular fibres in the rectum about 10 cm above the anus (upper rectal ampulla). See: Nelaton's sphincter. (05 Mar 2000) |
| Hyrtl, Joseph | <person> Austrian anatomist, 1810-1894. See: Hyrtl's anastomosis, Hyrtl's foramen, Hyrtl's loop, Hyrtl's epitympanic recess, Hyrtl's sphincter. (05 Mar 2000) |
| Hyrtl's a. |
see Hyrtl's loop, under loop.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Hyrtl's l. |
an occasional looplike anastomosis between the right and left hypoglossal nerves in the geniohyoid muscle.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Hyrtl's loop (anastomosis), recess, sphincter |
see under loop and sphincter, and see recessus epitympanicus.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Hyrtl's r. |
recessus epitympanicus.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Hyrtl's s. |
an incomplete band or thickening of the muscle fibers in the rectum a few inches above the anus in the upper part of the rectal ampulla; called also rectal s.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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