I. Central Nervous System - Brain

Bio 221 - Lab 7 Central Nervous System

I. Central Nervous System - Brain: A. Sheep Brain Dissection - superficial anatomy  Sulci (singular = sulcus)  Gyri (singular = gyrus)  Pia mater  Longitudinal fissure  Transverse fissure  Cerebrum  Frontal lobe  Parietal Lobe  Temporal lobe  Occipital lobe  Cerebellum  Corpora quadrigemina  Superior colliculi (singular = colliculus)  Inferior colliculi (singular = colliculus)  Pineal body or pineal gland  Olfactory bulb  Pituitary gland  Optic chiasma  Mammillary body  Cerebral peduncle  Pons  Medulla oblongata  Spinal cord a. Cranial Nerves (Know the name, number & function of each)  Optic Nerve II  Oculomotor Nerve III  Trigeminal Nerve V  Abducens Nerve VI  Spinal Accessory Nerve XI

1 B. Sheep Brain Dissection – sectional anatomy  Cerebrum  Corpus callosum  Fornix  Septum pellucidum  Lateral ventricle  Thalamus  Optic chiasma  Hypothalamus  Mammillary body  Pineal gland/body  Corpora quadrigemina  Superior colliculi/colliculus  Inferior colliculi/colliculus  Cerebral aqueduct  Fourth ventricle  Cerebellum  Arbor vitae  Cerebral peduncle  Pons  Medulla oblongata  Spinal cord

C. Human Brain Models  Sulci/sulcus  Gyri/gyrus  Longitudinal fissure  Transverse fissure  Lateral fissure  Central sulcus  Cerebrum  Corpus callosum  Fornix  Septum pellucidum  Thalamus  Massa intermedia/Intermediate mass  Optic chiasma  Hypothalamus

2  Infundibulum  Pituitary gland  Mammillary body  Choroid plexus  Pineal gland/body  Corpora quadrigemina  Cerebral aqueduct  Fourth ventricle  Cerebellum  Arbor vitae  Cerebral peduncle  Pons  Medulla oblongata  Spinal cord D. Model of Ventricles  Lateral ventricle(s)  Third ventricle  Cerebral aqueduct  Fourth ventricle E. Dural folds/septa  Falx cerebri  Tentorium cerebelli

II. Central Nervous System – Spinal Cord: A. Conus medullaris B. Filum terminale C. Cauda equina D. White matter E. Gray matter  Dorsal gray horn  Ventral gray horn  Lateral gray horn  Gray commissure F. Central canal G. Epidural space H. Dura mater I. Subdural space J. Arachnoid K. Subarachnoid space

3 L. Pia mater M.Ventral root N. Dorsal root O. Dorsal root ganglion P. Spinal Nerve