Flashcards in Unit VII - More Sympathetics Deck (77)
The internal carotid nerve enters the cranial cavity with what vessel?
Internal carotid artery
What plexus is formed by the lateral internal carotid nerve?
Internal carotid plexus
What are the important connections made with the lateral carotid nerve and the internal carotid plexus?
Trigeminal ganglion, abducens nerve, formation of nerve of the pterygoid canal, formation of tympanic plexus
What is the association between the lateral internal carotid nerve and the trigeminal nerve?
Postganglionic sympathetic fibers can reach any structure within the field of distribution of the trigeminal nerves thanks to the connection with the trigeminal ganglion
What is the purpose of the connection between the internal carotid nerve and the abducens nerves?
Supply blood vessels in the lateral rectus
What is the connection between the internal carotid nerves and the lacrimal, nasal, palatine, and some pharyngeal glands?
Postganglionic fibers form the deep petrosal nerve which combines with greater petrosal nerve to form nerve to pterygoid canal to reach those glands
What is the association between the internal carotid nerve and the tympanic plexus?
Caroticotympanic nerves combine with tympanic branch of C.N. IX to form tympanic plexus to supply glands and bold vessels of middle ear
What plexus is formed by the medial internal carotid nerve?
Where is the cavernous plexus located?
Within the cavernous sinus, alongside the sella turcica
Fibers from the medial internal carotid nerve travel through the ciliary ganglion to supply what structures?
Ciliaris and dilator pupillae muscles, some tarsus muscles of the upper eyelid
Other branches to what nerves reach blood vessels associated with muscles supplied by the medial internal carotid nerve?
The medial internal carotid nerve communicates with which cranial nerve to supply blood vessels in the superior oblique muscle?
Branches from the medial internal carotid nerve to what nerve and division supply arrector pili, sweat glands, and blood vessels in its field of distribution?
Ophthalmic division of the trigeminal nerve
The pituitary gland receives fibers from which nerve: lateral or medial internal carotid nerve?
Medial internal carotid nerve
Branches accompanying the inferior thyroid artery to supply the thyroid gland are from which cervical ganglion?
Middle cervical ganglion
Branches from the inferior cervical/stellate ganglion reach the subclavian artery to reach the upper extremities via what arteries?
Axillary and brachial arteries
Which branches of the cervical sympathetic trunk travel directly to visceral structures?
Laryngopharyngeal branches and cardiac branches
Laryngopharyngeal branches are from which cervical sympathetic ganglion?
Superior cervical ganglion
What do the laryngopharyngeal branches from the cervical sympathetic trunk help form?
Pharyngeal plexus (along with fibers from glossopharyngeal nerve, vagus nerve, and laryngeal plexus)
Cardiac branches come from which cervical ganglia?
All of them
The cardiac branches from the cervical sympathetic trunk accompany branches of which cranial nerve through the cardiac plexus and to which final destination?
Vagus nerve; sinoatrial node
What is the effect of sympathetic stimulation involving the cardiac branches of the cervical sympathetic trunk?
Increased heart rate and dilation of coronary arteries
What is supplied by each gray ramus communicans of the thoracic sympathetic trunk?
Arrector pili, sweat glands, blood vessels within each thoracic nerve distribution
Thoracic ganglia 1-5 send postganglionic fibers to which important vessel?
Do the cardiac branches of the thoracic sympathetic trunk (T2-T4) contain afferents?
What is the supply of the pulmonary branches of the thoracic sympathetic trunk (T2-T4) as they travel through the pulmonary plexus?
Pleura, smooth muscle, blood vessels of lungs, bronchial glands
What sympathetic branches could be responsible for some of the issues seen with asthmatics?
Pulmonary branches (T2-T4) due to their effect on smooth muscle
What structures are supplied by the greater splanchnic nerve above the diaphragm?
Esophagus and thoracic aorta
Through what plexuses does the greater splanchnic nerve reach much of the abdominal viscera?
Gastric, hepatic, superior mesenteric plexuses via the celiac plexus