Skull Flashcards
The _____ is not fused at birth
These gaps in the coronal suture are called ______
The ______ exist so the head can get through the birth _______ and for _____ of the brain
The skull is not fused at birth
These gaps in the coronal suture are called fontanelles
The fontanelles exist so the head can get through birth canal and growth of the brain
Plagiocephaly is the ______ ______ of a baby’s skull.
The most common _______ is on the _____ of the head, due to the prevention of ______.
_______ _______ also known as cranial synostosis is when a baby is born with ___ or more closed __________.
There are __ cranial _____, a _____ suture, a _______, a _____ suture, and a ______-_____ suture.
Plagiocephaly is the external molding of a baby’s skull.
The most common plagiocephaly is on the back of the head, due to the prevention of SIDS.
Synostotic plagiocephaly also known as cranial synostosis is when a baby is born with one or more closed sutures.
There are 4 cranial sutures, a coronal suture, a sagittal suture, a lambdoidal suture and a parietal-temporal suture.
The __ cranial sutures are _________ _____or immoveable joints.
When the sutures _____ the baby’s _____ will follow the ____ of _____ resistance.
If the _______ sutures are not opened _______, there will be permanent brain _______ and ___________ of the _______.
A surgical decision needs to be made before _ _____ of age.
The 4 cranial sutures are synarthrodial joints or immoveable joints.
When the sutures close the baby’s brain will follow the path of least resistance.
If the fused sutures are not opened surgically, there will be permanent brain damage and malformations of the skull.
A surgical decision needs to be made before 6 months of age.
Name the 8 cranial bones
There are 8 cranial bones.
One Frontalbone,TwoParietal bones, OneOccipital bone, Two Temporal bones, One Spehnoidbone, andOne Ethmoid bone.
The ____ bone forms the forehead.
The forehead is known as the ______ portion.
The anterior portion of the frontal bone forms the _______ ______ of the eye.
Frontal bone articulates with ______ bone, ______ bone, and articulates with ______ bone at midline.
The frontal bone forms the forehead.
The forehead is known as the squamous portion.
The anterior portion of the frontal bone forms the superior orbit of the eye.
Frontal bone articulates with parietal bone, sphenoid bone, and articulates with ethmoid bone at midline.
The parietal bones are ______ bones, and form the _______ portion of the skull.
Parietal bones form the ____ ___ and form the bulk of the _____ ____.
Parietal bones ________ with ______ bone at the _______ suture, with each other at the _______ suture, and with the ________ bone at the _______ suture.
The parietal bones are paired bones, and form the largest portion of the skull.
Parietal bones form the skull cap and form the bulk of the brain case.
Parietal bones articulate with frontal bone at the coronal suture, with each other at the sagittal suture, and with the occipital bone at the lambdoidal suture.
The ____ bone forms most of the _____ and back part of the ___.
The occipital bone contains the _______ ______and articulates with the ____ through its ______ or articular _____.
The occipital bone forms most of the base and back part of the skull.
The occipital bone contains the foramen magnum and articulates with the axis through its condyles or articular facets.
The temporal bones form the lateral ______ of the skull as well as the lateral ______ case
Temporal bones come _____ the ____ just a little.
The temporal bones are also the house for the ______ and _______ ear. The _______ and the _______ canal are located here.
There are ___ parts of the temporal bone. Name them.
The temporal bones form the lateral walls of the skull as well as the lateral brain case.
Temporal bones come underneath the brain just a little.
The temporal bones are also the house for the middle and inner ear, so the cochlea and the vestibular canal are located here.
There are 5 parts of the temporal bone.
squamous
petrous
styloid process
tympanic portion
mastoid process
The ______ portion articulates with ______ bone, and has a ________ process that connects to the ________ bone of the face.
The ________ process of ________ bone is part of the _______ bone
There is also the _______ temporal ______ in the _________ portion, which is superior to temporal lobe.
The squamous portion articulates with parietal bone, and has a zygomatic process that connects to the zygomatic bone of the face.
The zygomatic process of temporal bone is part of the cheek bone
There is also the inferior temporal line in the squamous portion, which is superior to temporal lobe.
Second Process of T.B.
The mastoid process is the attachment point for the _______ belly of _______ on its ______ surface.
This process is full of little air _______ in order to make the skull _______.
The mastoid process is what contains the ______ and ______ ear.
The mastoid process is the attachment point for the posteriorbelly ofdigastricuson itsmedial surface.
This process is full of little air cells in order to make the skull lighter.
The mastoid process is what contains the inner and middle ear.
Third Process of T.B.
Temporal bone also has a ______ process.
The ______ process is the point of ____ for ________, stylopharyngeus, and ________ muscles.
It is a long, slender projection of inferior ________ bone.
Temporal bone also has a styloid process
The styloid process is the point of origin for styloglossus, stylopharyngeus, and stylohoid muscles.
It is a long, slender projection of inferior temporal bone.
Fourth Process of T.B.
Temporal bone has a _______ part.
The _____ part is the _____ structure of the ear ______.
This part of temporal bone houses the external _______ _______ also known as the ear _____.
Temporal bone has a tympanic part.
The tympanic part is the bony structure of the ear canal.
This part of temporal bone houses the external auditory meatus also known as the ear canal.
Fifth Process of T.B.
The ______ portion of the temporal bone is the fifth process and is located at the ______ of the skull. It is the attachment for _______ _____ palatini.
The petrous portion of temporal bone is the fifth process and is located at the base of the skull.
The petrous portion is the attachment for levator veli palatini.
________ bone is the _______ part of the _____ septum. Has two plates called the ______ plate and the _____ plate.
_______ bone also contains the _______ and _______ concha.
The ________ plate, the ________ plate, and the concha are located on the ______ aspects of _____ bone.
Right at midline, is a pointed shaped bone called the _______ _______.
Ethmoid bone is the largest part of the nasal septum. Has two plates of bone called the perpendicular plate and the cribriform plate.
Ethmoid bone also contains the superior and middle concha.
The perpindicular plate, the cribriform plate, and the concha are located on the lateral aspects of ethmoid bone.
Right at midline, is a pointed shaped bone called the crista galli.
The ________ bone goes everywhere. It articulates with all bones of the ______.
Sphenoid bone articulates with ______, ______, frontal, occipital, ______, maxilla, _______, palatine, and ____ bones which is why it is the most complicated bone of the body.
It is a single-_____ structure that goes straight through the skull and contains many holes and ______ for _____ vessels and _______ nerves.
The Sphenoid bone forms part of base of ______ and the roof of _______, the bulk of the floor of _______ brain cavity and part of the back portion of _____ orbit.
The sphenoid bone goes everywhere. It articulates with all bones of the cranium.
Sphenoid bone articulates with temporal, parietal, frontal, occipital, zygomatic, maxilla, ethmoid, palatine, vomer bones which is why it is the most complicated bone of the body.
It is a single-midline structure that goes straight through the skull and contains many holes and pathways for blood vessels and cranial nerves.
The Sphenoid bone forms part of base of skull and the roof of nasopharynx, the bulk of the floor of middle brain cavity and part of the back portion of eye orbit.
