SLCC 2325 Anatomy Lab FINAL
Neuron - ANS*Nerve cell*
-Soma (cell body)
-Dendrites
-Axon
-Myelin Sheath
-Neurolemmocytes (Schwann cells)
-Axon Terminal boutons
-Nissl bodies
Brain Structures - ANS1. Cerebrum (two hemispheres)
2. Diencephalon (thalamus and hypothalamus)
3. Cerebellum
4. Brainstem (midbrain, pons, and medulla oblongata)
Cerebrum - ANS-Gyri, Sulci, White/Grey Matter
-Longitudinal fissure
-Corpus Callosum (joins L/R hemispheres)
-Precentral gyrus
-Central sulcus
-Postcentral gyrus
-Parieto-occipital sulcus
-Lateral Sulcus
-Fornix
-Septum Pellucidum
-Cerebral nuclei
-Lateral Ventricles
Diencephalon - ANS*Epithalamus*
-Pineal Gland
*Thalamus*
-interthalamic adhesion
*Hypothalamus*
-mammillary body
-infundibulum
Pituitary gland
Optic chiasm
Optic tracts
Third Ventricle
,Cerebellum - ANSCerebellar hemispheres
Vermis
Arbor vitae
Brainstem - ANS*Midbrain/Mesencephalon*
-corpora quadrigemina (tectal plate)
-superior colliculus (pl. colliculi)
-inferior colliculus (pl. colliculi)
-cerebral peduncles
*Pons*
*Medulla Oblongata*
Cerebral aqueduct
Fourth ventricle
Venous sinuses - ANS1. Superior saggital sinus - Drains blood from superior portion of the brain
2. Inferior saggital sinus - Drains blood from inferior portion of the brain
3. Transverse sinus
4. Straight sinus
Tentorium Cerebelli - ANSSeparates cerebellum from cerebrum
Mostly transverse
Falx Cerebri - ANSSeparates hemispheres of brain (midsaggital)
Have outflow of blood - venous sinuses
Dural Septa - ANSDura Mater separations
(made of meningeal layer)
1. Falx Cerebri
2. Tentorium Cerebelli
3. Falx Cerebelli
Corpus Callosum - ANSThe large band of neural fibers connecting the two brain hemispheres
and carrying messages between them.
Cerebral Nuclei - ANS1. Caudated nucleus - Main structure of basal ganglia
2. Amygdaloid body - important role in linking emotions with specific memories, in limbic system
3. Putamen - helps regulate movement
4. Globus pallidus - helps regulate subconscious movement
5. Claustrum - A slender mass of grey matter
Meninges - ANSContains CSF & blood vessels
*3 Layers of tissue between brain & bone*
1. Dura Mater
, 2. Arachnoid Mater
3. Pia Mater
Ventricles - ANSCSF-filled spaces in the brain
2 Lateral, 3rd, 4th ventricles
-Intraventricular foramena
-Cerebral aqueduct
-Septum pellucidum
Cranial nerve (name, function, foramina) - ANS1. O- Olfactory, Smell, *Cribriform plate*
2. O- Optic, Vision, *Optic canal*
3. O- Oculomotor, 4 eye muscles, *Superior Orbital fissure*
4. T- Trochlear, Innervate / Move eye inferior & lateral, *Superior Orbital fissure*
5. T- Trigeminal, Innervate mastication muscles,
-Opthalmic, *Foramen Ovale*
-Maxillary, *Foramen Rotundum*
-Mandibular, *Foramen Spinosum*
6. A- Abducens, lateral rectus eye abduction, *Superior orbital fissure*
7. F - Facial, taste anterior 2/3 tongue, glands, facial expressions, *Internal Acoustic Meatus*
8. V - Vestibulocochelar, Hearing & equilibrium, *Internal Acoustic Meatus*
9. G - Glossopharyngeal, Posterior 1/3 taste on tongue, parotid gland, *Jugular foramen*
10. V - Vagus, Innervates smooth muscle, cardiac, pharynx & larynx motor, *Jugular foramen*
11. A - Accessory, Sternocleidomastioid & trapezius muscle control, *Jugular foramen*
12. H - Hypoglossal, Innervates tongue, *Hypoglossal canal*
Spinal cord / nerves - ANS*Gray matter inside*
- posterior (dorsal) horns
-gray commissure
-lateral horns
-anterior (ventral) horns
*White matter outside (opposite of brain)*
-Motor nerves
-Sensory nerves
-posterior white columns (funiculus)
-anterior white columns (funiculus)
-lateral white columns (funiculus)
-cervical enlargement
-thoracic region of the spinal cord
-lumbar enlargement (or lumbosacral enlargement)
-conus medullaris
-cauda equina
-filum terminale
-posterior median sulcus