Shrapnell's membrane
Encyclopedia
In human anatomy
, the Pars flaccida of tympanic membrane or Shrapnell's membrane (also known as Rivinus’ ligament) is the small, triangular, flaccid portion of the tympanic membrane, or eardrum. It lies above the malleolar folds attached directly to the petrous bone
at the notch of Rivinus. On the inner surface of the tympanic membrane, the chorda tympani
crosses this area.
It is named after Henry Jones Shrapnell
.
Human anatomy
Human anatomy is primarily the scientific study of the morphology of the human body. Anatomy is subdivided into gross anatomy and microscopic anatomy. Gross anatomy is the study of anatomical structures that can be seen by the naked eye...
, the Pars flaccida of tympanic membrane or Shrapnell's membrane (also known as Rivinus’ ligament) is the small, triangular, flaccid portion of the tympanic membrane, or eardrum. It lies above the malleolar folds attached directly to the petrous bone
Petrous portion of the temporal bone
The petrous portion of the temporal bone or pyramid is pyramidal and is wedged in at the base of the skull between the sphenoid and occipital bones. Directed medially, forward, and a little upward, it presents for examination a base, an apex, three surfaces, and three angles, and contains, in its...
at the notch of Rivinus. On the inner surface of the tympanic membrane, the chorda tympani
Chorda tympani
The chorda tympani is a nerve that branches from the facial nerve inside the facial canal, just before the facial nerve exits the skull via the Stylomastoid foramen...
crosses this area.
It is named after Henry Jones Shrapnell
Henry Jones Shrapnell
Henry Jones Shrapnell was an English anatomist. For a period of time during his career he was a colleague to Edward Jenner , creator of the vaccine for smallpox....
.