What is the Pars petrosa?

The petrous part of the temporal bone is pyramid-shaped 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 a base, an apex, three surfaces, and three angles, and houses in its interior, the components of the inner ear.

What structures make up the temporal bone?

Structure. The temporal bone consists of four parts— the squamous, mastoid, petrous and tympanic parts. The squamous part is the largest and most superiorly positioned relative to the rest of the bone.

Where are the squamous and petrous parts of the bone?

At the angle of junction of the petrous and the squamous parts are two canals, one above the other, and separated by a thin plate of bone, the septum canalis musculotubarii; both canals lead into the tympanic cavity.

What can Pars trust assets be used for?

Assets held in the PARS Trust allows for greater investment flexibility and risk diversification compared to an agency’s general fund investments Assets can be accessed to offset unexpected rate increases (rate stabilization) or be used as a rainy day fund during periods when revenues are impaired based on economic or other conditions

Is the petrous part of the temporal bone well preserved?

In 2015 it was found, surprisingly, that the petrous bone has remarkably well-preserved DNA. A 2017 study comparing DNA from different skeletal sites concluded that “The inner part of petrous bones and the cementum layer in teeth roots are currently recognized as the best substrates for (ancient DNA) research

How does sub trust accounting work for Pars?

Sub-trust accounting capabilities allow for multiple accounts per agency if necessary (i.e. each bargaining group) Flexibility on disbursements – Distribute directly to a retiree medical provider, agency, or participant (if OPEB plan allows) For more information, please contact Mitch Barker at [email protected].