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42 Cards in this Set
- Front
- Back
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What are the 2 Portions of the Prosencephalon?
Where are they located in the Prosencephalon? |
22-4
-Telencephalon – Anterior -Diencephalon – Posterior |
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Where do the Cerebral Hemispheres arise from?
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22-4
The Telencephalon |
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What Structure divides the Cerbral Vesicles?
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22-4
Lamina Terminalis |
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What structures does the Diencephalon give rise to?
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22-4
-Epithalamus -Thalamus -Hypothalamus |
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How many Prosomeres is the Forebrain divided into?
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22-4
6 |
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Which Structure(s) that Arise from the Diencephalon Enlarge and Produce Nuclei?
Which do not? |
22-6
-Thalamus and Hypothalamus -Epithalamus |
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What is another name for the Pineal Body?
Where is the Pineal Body Found? |
22-6
-Epiphysis -Most Caudal Part of the Roof Plate in the Diencephalon |
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Which Structure(s) that Arise from the Diencephalon Enlarge and Produce Nuclei?
Which do not? |
22-6
-Thalamus and Hypothalamus -Epithalamus |
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What is another name for the Pineal Body?
Where is the Pineal Body Found? |
22-6
-Epiphysis -Most Caudal Part of the Roof Plate in the Diencephalon |
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What is the Junction between the 2 Lateral Ventricles called?
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22-7
Interventricular Foramen of Monro |
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What is the Choroid Fissure?
What develops along it? |
22-7
-Junction between the Roof of each Hemisphere and Thin roof of the 3rd Ventricle -Choroid Plexus |
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What is the Palium (Cloak) made of?
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22-7
Mantle Layer (Gray Mater) Marginal Zone (White Mater) |
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What is the Junction between the 2 Lateral Ventricles called?
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22-7
Interventricular Foramen of Monro |
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What is the Choroid Fissure?
What develops along it? |
22-7
-Junction between the Roof of each Hemisphere and Thin roof of the 3rd Ventricle -Choroid Plexus |
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What is the Palium (Cloak) made of?
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22-7
Mantle Layer (Gray Mater) Marginal Zone (White Mater) |
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What are the 2 Zones/Layers of the Palium?
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20-8
-Mantle Layer (Gray Mater) of the Telencephalon -Marginal Zone (White Mater) of the Telencephalon |
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What causes the C-Shaped Growth of the Brain?
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20-9
-The Corpus Striatum doesn't expand as rapidly as other tissues in the Cerebral Hemisphere |
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What is the name of the Layer that Remains Mitotically Active after Activity ceases in the Ventricular Zone?
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20-10
Subventricular Zone |
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How is the Cortical Plate Established?
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20-10
Migration of Cells from the Mantle Zone into the Marginal Zone beneath the Pia Mater |
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What are the 2 Zones/Layers of the Palium?
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20-8
-Mantle Layer (Gray Mater) of the Telencephalon -Marginal Zone (White Mater) of the Telencephalon |
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What causes the C-Shaped Growth of the Brain?
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20-9
-The Corpus Striatum doesn't expand as rapidly as other tissues in the Cerebral Hemisphere |
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What is the name of the Layer that Remains Mitotically Active after Activity ceases in the Ventricular Zone?
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20-10
Subventricular Zone |
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How is the Cortical Plate Established?
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20-10
Migration of Cells from the Mantle Zone into the Marginal Zone beneath the Pia Mater |
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What do Optic Vesicles Initially form as?
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22-16
Evaginiations of the Forebrain |
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What shape does the early eye cup take?
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22-16
Horshoe |
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Where is the Optic Fissure Located?
What role does it play in Blood Supply? |
22-17
-Gap at the Ventral Surface of the Developing Optic Cup -Allows for Passage of the Hyaloid Artery and Vein that Initially Serve the Developing Eye Tissues |
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What are the 2 Layers formed from the Optic Vesicles Invaginating?
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22-19
-Neural Retina - Inner Layer -Retinal Pigmented Epithelium - Outer Layer |
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What are 2 types of Photoreceptors?
What do these Cells have on their outer surface? |
22-19
-Rods and Cones -Modified Cilia |
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Describe the Sclera of the Eye.
Where is it? What is formed from? What is in continuous with? |
22-21
-Fibrous, Tough, Outer Layer of the Eye -Mesenchyme around the Optic Cup -Dura Mater |
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Which portion of the eye is continuous with the Pia-Arachnoid Layer of the Brain?
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22-21
Choroid |
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What Cells Synthesize Crystallin Proteins?
What do these Proteins do? |
22-22
-Primary Lens Cells -Impart the Refractive Properties of the Lens |
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What is laid down between the Cornea Epithelium and the Deep Cornea Epithelium?
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22-23
Collagenous Stroma |
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What is the Substantia Propria in the Eye Derived From?
What is it Continuous with? |
22-23
-Underlying Mesenchyme -Continuous with the Sclera |
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What Focuses the Lens?
Where does this come from? |
22-25
-Ciliary Muscles -Mesenchyme derived from the Neural Crest Cells |
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What does the Iris form from?
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22-26
Rim of the Eye Cup |
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What is responsible for Dilation and Constriction of the Iris?
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22-26
Dilator and Sphincter Pupillae Muscles |
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How do the Otic Vesicles form?
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22-27
Invagination of the Otic Placodes |
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What nerve does the Statoacoustic Ganglion give rise to?
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22-28
Vestibulocochlear Nerve |
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What General Location (Side) are the Saccular and Utricular Portion of the Inner Ear Located?
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22-29
-Saccular - Ventral -Utricular - Dorsal |
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How do the Semicircular Ducts of the Inner Ear form?
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22-30
-Flattening of Regions of the Utrical |
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What Does the Spiral Organ of Corti arise from?
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22-31
The Cochlear Duct |
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What is the Function of the 3 Bones in the Ear?
How do they do this? |
22-32
-Transmit Vibrations of the Tympanic Membrane -The Tympanic Membrane is Attached to the Malleus via the Incus, they Transmit vibrations to the Stapes which transmits them to the Oval WIndow of the Vestibule |
