7-8 cranial cavity Word Scramble
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Question | Answer |
The teeth are located on what processes? | Alveolar of maxilla and mandible |
What does the coronal suture separate? | Frontal and parietal bones |
Are sphenoid and ethmoid paired? | No |
What is the name for an additional bone in a suture? | Sutural bone |
What does the squamous suture separate? | Temporal and parietal bones |
What runs deep the pterion? | Middle meningeal a. |
What is bregma? | Where coronal and sagittal sutures meet |
What is lambda? | Where lamboid and sagittal sutures meet |
What does the occipital condyle articulate with? | Superior articular facet of C1 |
What does the sagittal suture separate? | Parietal bones |
What forms part of the hard palate? | Palatine process |
What nerve runs through the stylomastiod foramen? | Facial nerve |
What does the spinal cord run through? | Foramen magnum |
What is located near the hypophysial plate? | Pitutary gland |
Five layers of the scalp and characteristics | Skin Connective Tissue Aponeurosis- epicranial Loose connective tissue- peels away Pericranium- superficial to skull |
What are epidural and subdural spaces? | POTENTIAL spaces where bleeding can happen |
Two layers of dura mater | Periosteal (against skull) and meningeal layers |
Three layers of the meninges superficial to deep | Dura, arachnoid, pia |
Arachnoid mater characteristics | Means spider; thin, flimsy |
Pia mater characteristics | Deepest layer, on brain |
What two locations is CSF found? | Dural venous sinuses and subarachnoid space |
What is located in the subarachnoid space? | Arteries, blood flow to brain, CSF |
What is the superior sagittal sinus for? | Blood flow, between two layers, CSF due to leaking |
What is the sickle shaped area of dura mater that goes into cerebral hemispheres? | Falx cerebri |
What planes is the falx cerebri in? | Mid-sagittal and sagittal |
What is the tent over the cerebellum named? | Tentorium cerebelli |
What is the confluence of sinuses? | Where the superior sagittal, inferior sagittal, and transverse sinuses come together and drain. This is how CSF leaks into subarachnoid space. Located anteriorly and interally from the occipital protuberance |
What does the sigmoid sinus drain into? | Internal jugular vien |
What sinus causes infections to spread? | Cavernous sinus, drains into internal carotid |
What is the dura mater important for? | Keeping the blood from the body and brain separate; blood brain barrier |
Why are pitutary gland tumors so dangerous? | They compress the nerves and vessels |
Four lobes of the cerebrum and responsibilites | Temporal- hearing Occipital- vision Frontal- emotions, higher learning Parietal- spatial awareness |
What does the central sulcus separate? | Frontal and parietal lobes |
What is the middle aspect of the brain? | Diencephalon |
What are the responsibilities of the thalamus and hypothalamus? | Thalamus- relay system Hypothalamus- thirst, hunger, hormone secretion, etc |
What are the three parts of the brainstem? | Top- midbrain Middle- pons Bottom- medulla oblongata |
What are the three things the medulla oblongata helps with? | Respiratory, cardiac, vomit centers |
What is in charge of balance and motor coordination? | Cerebellum |
What joins the right and left sides of the brain? | Corpus collosum |
What are the lateral ventricles (1st and 2nd) inferior to? | Corpus collosum |
What connects the 3rd and 4th ventricles? | Cerebral aqueduct |
what is the 4th ventricle posterior to? | Pons |
CSF contents | Mostly water, some nutrtients; made by the choroid plexus |
What connects the right and left thalamus? | Interthalamic relay |
Circle of Willis | Internal carotid and all cerebral arteries. Commuication |
What arteries are often involved with strokes? | Middle cerebral, anterior inferior and posterior inferior cerebellar arteries |
What is formed by the vertebral arteries? | Basilar artery |
What supplies the occipital lobe with arterial blood? | Posterior cerebral artery |
What is a major branch from the internal carotid? | Middle cerebral a. |
What is the bifurcation of the basilar artery? | Posterior cerebral artery |
What is a common area for aneurysms? | Basilar artery bifurcation |
Anterior ethmoidal foramen | Anterior ethmoidal artery, nerve, vein *Ethmoid bone* |
Foramina of Cribiform Plate | Olfactory nerves *Ethmoid bone* |
Posterior ethmoidal foramen | Posterior ethmoidal artery, nerve, vein *Ethmoid bone* |
Optic canal | Optic nerve (CN II), ophthalmic artery *Sphenoid bone* |
Superior orbital fissure | Oculomotor nerve (CN III), trochlear nerve (CN IV), ophthalmic nerve (CN V-1, 3 branches), abducens nerve (CN VI), superior ophthalmic vein *Sphenoid bone* |
Foramen rotundum | Maxillary neve (CN V-2) *Sphenoid bone* |
Foramen ovale | Mandibular nerve (CN V-3), accessory meningeal artery, lesser protrosal nerve *Sphenoid bone* |
Foramen spinosum | Middle meningeal artery and vein, meningeal branch of mandibular nerve *Sphenoid bone* |
Foramen lacerum | Greater protrosal nerve *Between sphenoid and temporal bones* |
Hiatus for lesser and greater protrosal nerves | NERVES *Temporal bone* |
Internal acoustic meatus | Facial nerve (CN VII), vestibulocochlear nerve (CN VIII), labyrinthine artery *Temporal bone* |
Jugular foramen | Inferior protrosal sinus, glossopharyngeal nerve (CN IX), vagus nerve (CN X), accessory nerve (CN XI), sigmoid sinus, posterior meningeal artery *Between occipital and temporal bones* |
Hypoglossal canal | Hypoglossal nerve (CN XII) *Occipital bone* |
Foramen magnum | Spinal cord, medulla oblongata, meninges, vertebral arteries, meningeal branches of vertebral arteries, spinal roots of accessory nerves *Occipital bone* |
Created by:
beranml
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