HPHY 321 Lab Exam 2( New Material)

Olfactory Nerve

Optic Nerve

White Matter

Grey Matter

Anterior horn of grey matter

Posterior horn of grey matter

Lateral horn of grey matter

Ventral Root

Dorsal Root

Spinal Nerve

Location: Intervertebral Foramen

Union of Dorsal and Ventral Roots

Dorsal Root Ganglion

Contains cell bodies for afferent (sensory) neurons

Dorsal Ramus

Ventral Ramus

Gray Ramus Communicans

Gray Ramus Communicans

...

White Ramus Communicans

Sympathetic Ganglion

Sympathetic Trunk

Superior Cervical Ganglion

Middle Cervical Ganglion

Inferior Cervical Ganglion

Central Canal

Anterior Median Fissure

Posterior Median Sulcus

Conus Medullaris

Inferior end of spinal cord -

Upper Lumbar Vertebral Canal

Cauda Equina

Bundle of dorsal and ventral roots for spinal nerves below L2

Filum Terminale

From tip of Conus Medullaris to attach to coccyx

Vertebral Artery

Basilar Artery

Posterior Cerebral Artery

Posterior Communicating Cerebral Artery

(Connects internal carotid to basilar artery)

Middle Cerebral Artery

Anterior Cerebral Artery

Anterior Communicating Cerebral Artery

Internal Carotid Artery

Internal Carotid Artery(Image)

Pointing to the larger of the two

External Carotid Artery

Common Carotid Artery

Superior Sagittal Sinus

(Found where the falx cerebri sits

Inferior Sagittal Sinus

(right aboe the corpur callosum)

Superior Sagittal Sinus(model)

Inferior Sagittal Sinus

Straight Sinus

(above the cerebellum in the tentorium cerebelli)

olfactory, optic, vestibulocochlear,

Which Nerves are only sensory

oculomotor, trochlear, abducent, accessory, hypoglossal

Which nerves are only motor

trigeminal, facial, glossopharyngeal, vagus

which nerves are both sensory and motor

Confluence of Sinuses

(@ internal occipital protuberance, terminates @ transverse sinuses, drainage for superior sagittal, straight, & occipital sinus.)

Transverse Sinus

(lies in the transverse groove)

Sigmoid Sinus

(sigmoid groove)

Sigmoid sinus

Occipital Sinus

Occipital sinus

Internal Jugular Vein

Optic Nerve(Model)

Oculomotor Nerve( Enters the superior orbital fissure)

What is this nerve and where does it enter?

Oculomotor Nerve(Model)

Model is tricky but it is a nerve that appears to come out of the pons

Trochlear Nerve( goes through the superior orbital fissure)

Extends from the inferior colliculus and extends through which canal/foramen in the skull

Trigeminal Nerve(superior orbital fissure, foramen rotundum, and the foramen ovale)

Goes through which canal(s)?

Ophthalmic branch, Maxillary branch, and the mandibular branch

What are the three branches of the trigeminal nerve

Abducent nerve(through the superior orbital fissure)

Between the medulla oblongata and the pons. Where does this nerve travel through

Facial Nerve(internal auditory meatus)

Where does this nerve travel through and what is it?

Vestibulocochlear Nerve( through the internal auditory meatus)

Comes from the middle cerebellar peduncle. Where does it travel through?

Glossopharyngeal Nerve(jugular foramen)

What is this nerve and where does it travel

Vagus nerve

The thicker of the three that enter the jugular foramen

Accessory Nerve(Jugular foramen)

This nerve travels down towards the spinal cord. Where does it go through in the skull

Hypoglossal Nerve

oculomotor, trochlear, and a branch of the trigeminal, as well as the abducent

Which nerves travel through the superior orbital fissure

facial and vestibulocochlear

Which nerves travel through the internal auditory meatus

Vagus, glossopharyngeal, and the accessory

(If you are going to VAGUS, remember your lipgloss( GLOSSOPHARYNGEAL), a jug(JUGULAR FORAMEN) of wine, and your accessories(Accessory))

Which nerves travel through the jugular foramen

Sclera and the cornea and the conjunctiva

What does the fibrous tunic of the eye include

Sclera of the eye

(Where the muscles of the eye attach)

Sclera of the fibrous tunic

Cornea of the fibrous tunic

Cornea of the eye

Conjunctiva of the eye of the fibrous tunic

Conjunctiva of the fibrous tunic(picture)

choroid, iris, pupil, ciliary body, zonular fibers

What is found in the vascular tunic

Choroid of the vascular tunic( cow eye)

Choroid of the vascular tunic

Iris of the vascular tunic of the eye

Pupil of the vascular tunic of the eye

Ciliary body of the vascular tunic of the eye

(controls dilation)

Ciliary body of the vascular tunic of the eye

Zonular fibers

( Connect the ciliary bodies to the lens)

Retina, ora serrate, optic disc, fovea centralis, and the optic nerve

What makes up the sensory tunic of the eye

Retina of the sensory tunic

Retina of the sensory tunic(Cow eye)

Ora serrate of the sensory tunic

(junction between retina and ciliary body)

Optic disc of the sensory tunic

(in front of the optic nerve)

Fovea centralis of the sensory tunic

Fovea centralis of the sensory tunic

Optic nerve

Anterior chamber of the eye

2?

Posterior Chamber of the eye

B?

Lens of the eye

Vitreous chamber of the eye

Vitreous body of the vitreous chamber

(The gel)

Lacrimal gland of the lacrimal apparatus

Excretory duct of the lacrimal gland

Lacrimal Sac