What are the 5 structures of the temporal bone?
The temporal bone is composed of several parts, these being the squamous part, the zygomatic process, the petromastoid part, the tympanic part, the styloid process.
What is the structure of the temporal bone?
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.
What are the three parts of the temporal bone?
The temporal bone is divided into several main parts/portions 1-3:
- squamous part (temporal squama)
- petrous part (petrous pyramid)
- tympanic part.
- mastoid part (usually considered a separate part but it is formed by both the squamous and petrous parts)
Why is petrous used to describe the temporal bone?
Why is this term used to describe the petrous part of the temporal bone? It houses sensory structures of the inner ear that provide information about hearing and balance. What structures are found deep within the petrous part of the temporal bone?
What is petrous temporal bone?
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 is petrous part in anatomy?
Definition of petrous : of, relating to, or constituting the exceptionally hard and dense portion of the human temporal bone that contains the internal auditory organs.
Which is the smallest facial bone?
The lacrimal bones
The lacrimal bones are the two smallest bones located in the face.
Which is the largest bone in human body?
Background. The femur is one of the most researched bones in the human anatomy and forensic medicine. As the longest bone in the human body, it is well preserved in skeletal remains.