gross brain lab Flashcards
- Identify the circle of Willis as well as the major vessels leaving it
Haines 2-18 and 2-21
Which areas of the brain are irrigated by the anterior cerebral artery
Medial regions of frontal and parietal lobes
Which areas of the brain are irrigated by the middle cerebral artery
lateral regions of frontal, parietal and temporal lobes
Which areas of the brain are irrigated by the posterior cerebral artery
medial regions of occipital and temporal lobes plus lateral occipital lobe
- Understand the venous drainage through the superior sagittal sinus and transverse sinus
superior sagittal sinus > confluence of sinuses > transverse sinus > sigmoid sinus > internal jugular vein
- Identify these blood vessels on cerebral angiograms
chapter 10
- Identify the major structural features of the Brain’s Lateral surface: central and lateral sulci, precentral and postcentral gyri, frontal lobe, parietal lobe, temporal lobe, parietooccipital sulcus
Chapter 2 (2-11, 2-5)
Where is the primary motor and somatosensory cortex
Primary motor cortex: cortex in the pre-central gyrus (contains cell bodies of upper motor neurons that control muscles). Primary somatosensory cortex: cortex in the postcentral gyrus (receives touch, vibration and proprioception info)
- Identify the major structural features of the Brain’s ventral surface: Olfactory bulb, Gyrus rectus, Uncus, Optic nerve, Optic chiasm, Optic tract
- Identify the major structural features of the Brain’s ventral surface: Olfactory bulb, Gyrus rectus, Uncus, Optic nerve, Optic chiasm, Optic tract
2-14, 2-17, 2-20
What is the uncus
protrusion made by the underlying amygdala
- Identify the major structural features of the Brain’s medial (hemisected) surface: cingulate gyrus, calcarine sulcus, parietooccipital sulcus, corpus collosum (genu, body, splenium), anterior comissure, fornix, hypothalamus, thalamus, pineal gland, superior colliculus, inferior colliculus
2-26, 2-29, 2-30
What is cingulate gyrus
part of limbic system
what is calcarine sulcus
where primary visual cortex is located
corpus collosum
carries axons that connect one hemisphere with the other
the anterior comissure
carries axons that connect the temporal lobe on one side with its counterpart on the other
fornix
an axon tract involved in the limbic system involved in memory formation and retrieval carrying information
from hippocampus to hypothalamusan axon tract involved in the limbic system involved in memory formation and retrieval carrying information
from hippocampus to hypothalamus
hypothalamus
involved in regulation of homeostasis
thalamus
where all sensory systems (except for olfaction) relay information on the way to cortex
function of superior and inferior colliculus
superior colliculus is involved in coordinating auditory and visual maps of space; the inferior colliculus is part of the auditory system.
- Identify the cerebellar hemispheres, vermis, anterior and posterior lobes, flocculus and nodulus
2-37, 2-38
- Identify the lateral, third, and fourth ventricles, the foramina of Munro, Magendie, and Luschka, interventricular foramen, cerebral aqueduct, cisterna magna, interpeduncular cistern
4-6, 4-10, 4-11
- Locate the cisterna magna and interpeduncular cistern Describe the path of CSF flow through the ventricles into subarachnoid space. What happens if there is an obstruction to CSF flow?
Choroid plexus > lateral ventricle > interventricular foramen > third ventricle > cerebral aquaduct > fourth ventricle > foramen of luschka > subarachnoid space. Hydrocephalus
On cross section, identify: Lateral ventricle and its parts (anterior horn, posterior horn, inferior horn), Superior, middle and inferior temporal gyri, Cingulate, occipitotemporal and parahippocampal gyri, Insula, Hippocampus, Fornix, Corpus callosum (and its parts)
ch 5
On cross section, identify: Anterior commissure, Amygdala, Lenticular nucleus, and its two parts, the putamen and globus pallidus, Caudate nucleus, Thalamus and hypothalamus, Anterior and posterior limbs of the internal capsule, Third ventricle, Medulla, Pons, Midbrain
ch 5
