Term
| lobes of the cerebral hemispheres |
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Definition
frontal
parietal
occipital
temporal
limbic
insular |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| divides frontal and parietal lobes |
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Term
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Definition
| divides temperal lobe from frontal and parietal lobe |
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Term
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Definition
| separates the occipital lobe |
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Term
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Definition
| separates the two cerebral hemispheres |
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Term
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Definition
- controls emotion
2 parts = cingulate gyrus & parahippocampal gyrus |
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Term
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Definition
| separates frontal & parietal lobe from cingulate gyrus |
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Term
| the frontal lobe is bounded by which sulci? |
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Definition
| central sulcus and lateral sulcus |
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Term
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Definition
| superior, middle, inferior, and precentral gyri |
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Term
| inferior frontal lobe gyri |
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Definition
- gyrus rectus (most medial)
-obrital gyri
(note: olfactory bulb is in between these two)
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Term
| frontal lobe medial surface gyri |
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Definition
superior frontal gyrus
&
anterior paracentral lobule |
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Term
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Definition
- postcentral gyrus
- superior parietal lobule |
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Term
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Definition
- supramarginal lobule
- angular gyrus |
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Term
| Parietal Lobe (medial surface) |
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Definition
posterior paracentral lobule
&
precuneus |
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Term
| precentral gyrus controls |
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Definition
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Term
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Definition
| primary somatosensory cortex |
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Term
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Definition
-superior
-middle
-inferior |
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Term
Temporal Lobe Gyri - Inferior Surface
(from lateral to medial) |
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Definition
- inferior temporal
- occipitotemporal
- lingual |
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Term
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Definition
- parietooccipital sulcus-->separates parietal lobe from occipital lobe
-lateral occipital gyri -->contains secondary visual info |
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Term
| Occipital Lobe (medial surface) |
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Definition
- cuneus
- lingual gyrus
calcarine sulcus --> separates cuneus and lingual gyrus on the medial surface of occipital lobe |
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Term
Corpus Callosum
-what is it?
-what are the parts (rostrally to caudally) |
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Definition
- communicates with the two hemispheres
Parts
-rostrym
-genu
-body
-splenium |
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Term
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Definition
- inferior to cingulate gyrus
- contains septal nuclei deep to the subcallosal gyrus |
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Term
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Definition
| - access by opening up lateral fissure |
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Term
Diencephalon
(where is it and what does it contain) |
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Definition
- inferior to corpus callosum
- found in the core of the hemisphere
Contains:
- thalamus
-hypothalamus
-Epithalamus
-Subthalamus |
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Term
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Definition
aka the mesencephalon
- contains the cerebral aqueduct |
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Term
| lemniscus/callosum/tract/peduncle |
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Definition
| bunch of axons going from one place to another |
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Term
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Definition
- superior colliculus = visual info
- inferior colliculus = auditory info |
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Term
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Definition
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Term
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Definition
| medulla, pons, and midbrain |
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Term
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Definition
| communicates with the spinal cord |
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Term
| cranial nerves coming off the cerebellopontine angle |
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Definition
Facial (CN 7)
&
Vestibular (CN 8)
(cerebellopontine angle = junction b/t cerebellum, pons, and medulla) |
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Term
| Which CN are not located on the brain stem |
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Definition
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Term
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Definition
separates the dorsal and ventral side during development
dorsal = alar plate (sensory)
ventral = basal plate (motor) |
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Term
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Definition
| between the rhombencephalon and mesencephalon |
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Term
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Definition
| between rhombencephalon and spinal cord |
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Term
| Prosencephalon forms what two structures? |
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Definition
| Telencephalon and Diencephalon |
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Term
| Diencephalon is made up of what? and what is associated with them? |
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Definition
Thalamus - viscera
Hypothalamus - pituitary
Epithalamus - pineal
Subthalamus - motor |
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Term
| Rhombencephalon forms the? Which are associated with? |
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Definition
| Mitencephalon (pons and cerebellum) and Myeloencephalon (medulla) |
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Term
| At 5 weeks what develops? |
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Definition
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Term
| What are the flexures? and where do they come from? |
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Definition
Cerebellar - Rombencephalon + Spinal Cord
Cephallic - Rombencephlon + Mesencephalon |
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Term
| What are the 3 primary brain vesicles? What do they turn into? |
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Definition
Prosencephalon - Cerebrum
Mesencephalon - Mid Brain
Rhombencephalon - Pons, medulla, and cerebellum it is continuous with the spinal cord |
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Term
| What are the secondary brain vesicles? |
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Definition
| Telencephalon, Diencephalon, Mesencephalon, Metencephlaon, Myelencephalon |
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Term
| The fourth week of development involves what? |
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Definition
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Term
| When is the sulcus limitans formed? What does it do? and how is it formed? |
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Definition
| 4 weeks - separate the dorsal (alar) and ventral (basal) plates - longitudinal groove in the lateral wall of neural tube |
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Term
| Marginal zone becomes? and it consists of? |
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Definition
| white matter - axons anf glial cells |
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Term
| What forms the gray matter? and what does it consist of? |
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Definition
| Mantle zone - inner wall that contains cell bodies |
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Term
| At day 21 what is formed? |
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Definition
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Term
| Where does the neural tube first close? what are the open ends of it called? |
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Definition
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Term
| Cells adjacent to neural tube separate from the tube and the remaining ECTODDERM to form the |
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Definition
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Term
| Superior neuropore closes at day? Anterior/Inferior neuropore closes at what day? |
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Definition
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Term
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Definition
| Tube differentiates into two concentric rings = Mantle and marginal layers |
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Term
| As neural tube closes, adjacent mesoderm divides into... |
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Definition
| spherical cell clusters = SOMITES |
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Term
| Somites first appear in what area? and what do they become? |
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Definition
Occipital region;
Sclerotome - vertebrae and skull
Myotome - skeletal muscle
Dermatome - dermis |
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Term
| Neurons whose cell bodies are in the basal plate become |
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Definition
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Term
| The association plate or alar plate in the spinal cord proliferate and form |
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Definition
| interneurons and projection neurons |
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Term
| Derivatives of Neural crest cells |
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Definition
Sensory ganglia of cranial and spinal nerve
Autonomic and enteric ganglia
Schwann cells (myelin cells)
Melanocytes (pigment cells)
Adrenal Chromaffin cells (release epinephrin)
Pia/Arachnoid membrane
Cartilage and bone |
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Term
| Primary neurolation involves |
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Definition
| changes in ectoderm to produce NS |
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Term
| At day 22 the surface ectoderm |
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Definition
| separates from neuroectoderm |
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Term
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Definition
| Sensory organs, epidermis, and NS |
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Term
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Definition
| dermis, muscles, skeleton, and excretory and circulatory systems |
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Term
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Definition
| to become gut, liver, pancrease, and repiratory |
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Term
| cranial nerve associated inderpeduncular fossa |
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Definition
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Term
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Definition
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Term
| preganglionic sympathetic cells |
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Definition
thoracolumbar
--
intermediadolateral cell column |
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