Anatomy & Physiology B/C

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bhavjain
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Re: Anatomy & Physiology B/C

Postby bhavjain » September 20th, 2016, 7:53 am

1. Describe the pathway and information carried by Baum's loop. What happens if these fibers are damaged?
2. What are the functions of arginine vasotocin?
3. What is rhombencephalosynapsis characterized by?
4. What is ataxia?
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mangothecat
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Re: Anatomy & Physiology B/C

Postby mangothecat » September 22nd, 2016, 6:30 pm

1. Describe the pathway and information carried by Baum's loop. What happens if these fibers are damaged?
2. What are the functions of arginine vasotocin?
3. What is rhombencephalosynapsis characterized by?
4. What is ataxia?
Dang these are great (but hard) questions!
only know 1 and 4...
1. Baum's loop consists of fibers in the optic radiation that synapse at the lateral geniculate body with fibers that transmit signals from the superior retina. Damage to Baum's loop results in the loss of an inferior quadrant of the field of vision, aka inferior quandranopia. 4. Ataxia is the loss of muscle coordination.
“Cats can work out mathematically the exact place to sit that will cause most inconvenience.” ~Pam Brown
2016: Churchill, Mira Loma, Mesa/Wilson, Wicklund, Regs, States
Anat&Physio: 2/3/1/1/1/
Disease Detectives: 1/1/2/1/1/
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bhavjain
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Re: Anatomy & Physiology B/C

Postby bhavjain » September 22nd, 2016, 8:46 pm

1. Describe the pathway and information carried by Baum's loop. What happens if these fibers are damaged?
2. What are the functions of arginine vasotocin?
3. What is rhombencephalosynapsis characterized by?
4. What is ataxia?
Dang these are great (but hard) questions!
only know 1 and 4...
1. Baum's loop consists of fibers in the optic radiation that synapse at the lateral geniculate body with fibers that transmit signals from the superior retina. Damage to Baum's loop results in the loss of an inferior quadrant of the field of vision, aka inferior quandranopia. 4. Ataxia is the loss of muscle coordination.
Haha, just thought I'd give a bit of a challenge.
2 and 3...
2. AVT is produced by the posterior pituitary gland and potentially pineal body, has biological properties like oxytocin and ADH, involved in social, sexual, and sleep behavior. 3. Rhombencephalosynapsis is a disease in which the cerebellum fails to fuse (missing vermis) resulting in ataxia.
Your turn.
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Re: Anatomy & Physiology B/C

Postby mangothecat » September 24th, 2016, 1:21 pm

1. What are the pontine nuclei?
2. Which cranial nerve pairs issue from the pontine nuclei?
“Cats can work out mathematically the exact place to sit that will cause most inconvenience.” ~Pam Brown
2016: Churchill, Mira Loma, Mesa/Wilson, Wicklund, Regs, States
Anat&Physio: 2/3/1/1/1/
Disease Detectives: 1/1/2/1/1/
Microbe Mission: 1/4/2/2/2/

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Re: Anatomy & Physiology B/C

Postby bhavjain » September 27th, 2016, 4:36 pm

1. What are the pontine nuclei?
2. Which cranial nerve pairs issue from the pontine nuclei?
Answer
1. The pontine nuclei are neurons lying in the basilar pons. It receives input from the corticopontine fibers of the primary motor cortex, and outputs into the contralateral cerebellum through the middle cerebellar peduncle. 2. CN5, CN6, CN7, CN8.
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Re: Anatomy & Physiology B/C

Postby mangothecat » September 27th, 2016, 9:46 pm

1. What are the pontine nuclei?
2. Which cranial nerve pairs issue from the pontine nuclei?
Answer
1. The pontine nuclei are neurons lying in the basilar pons. It receives input from the corticopontine fibers of the primary motor cortex, and outputs into the contralateral cerebellum through the middle cerebellar peduncle. 2. CN5, CN6, CN7, CN8.
Noice answer! Your turn!
“Cats can work out mathematically the exact place to sit that will cause most inconvenience.” ~Pam Brown
2016: Churchill, Mira Loma, Mesa/Wilson, Wicklund, Regs, States
Anat&Physio: 2/3/1/1/1/
Disease Detectives: 1/1/2/1/1/
Microbe Mission: 1/4/2/2/2/

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Re: Anatomy & Physiology B/C

Postby bhavjain » September 28th, 2016, 12:52 pm

What is the function of the ventricles?
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rgandhi2002
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Re: Anatomy & Physiology B/C

Postby rgandhi2002 » October 11th, 2016, 8:32 pm

What is the function of the ventricles?
I'm assuming ventricles of the heart?
I think...
The ventricle is one of two large chambers of the heart that collect and expel blood received from an atrium towards the peripheral beds within the body and lungs.
Let me know if that is what you were asking. Sorry!
always a scioly kid at heart

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bhavjain
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Re: Anatomy & Physiology B/C

Postby bhavjain » October 11th, 2016, 9:42 pm

What is the function of the ventricles?
I'm assuming ventricles of the heart?
I think...
The ventricle is one of two large chambers of the heart that collect and expel blood received from an atrium towards the peripheral beds within the body and lungs.
Let me know if that is what you were asking. Sorry!
Sorry, I mean ventricles of the brain. (Cardiovascular System isn't a topic this year :D, but nervous system is).
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rgandhi2002
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Re: Anatomy & Physiology B/C

Postby rgandhi2002 » October 12th, 2016, 7:51 am

What is the function of the ventricles?
I'm assuming ventricles of the heart?
I think...
The ventricle is one of two large chambers of the heart that collect and expel blood received from an atrium towards the peripheral beds within the body and lungs.
Let me know if that is what you were asking. Sorry!
Sorry, I mean ventricles of the brain. (Cardiovascular System isn't a topic this year :D, but nervous system is).
Yeah that's what I realized.
Ventricle of the brain
The region choroid plexus in each ventricle has ependymal cells involved in the production of cerebrospinal fluid.
always a scioly kid at heart

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bhavjain
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Re: Anatomy & Physiology B/C

Postby bhavjain » October 12th, 2016, 12:07 pm

I'm assuming ventricles of the heart?
I think...
The ventricle is one of two large chambers of the heart that collect and expel blood received from an atrium towards the peripheral beds within the body and lungs.
Let me know if that is what you were asking. Sorry!
Sorry, I mean ventricles of the brain. (Cardiovascular System isn't a topic this year :D, but nervous system is).
Yeah that's what I realized.
Ventricle of the brain
The region choroid plexus in each ventricle has ependymal cells involved in the production of cerebrospinal fluid.
Correct. Your turn.
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rgandhi2002
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Re: Anatomy & Physiology B/C

Postby rgandhi2002 » October 12th, 2016, 6:11 pm

What is the function of the optic chiasm?
always a scioly kid at heart

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bhavjain
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Re: Anatomy & Physiology B/C

Postby bhavjain » October 13th, 2016, 8:03 pm

What is the function of the optic chiasm?
Answer
The optic chiasm is where the fibers of the optic nerve partially decussate, specifically the medial fibers of each retina. This allows the left hemisphere of the brain to control the right part of both eyes, and the right hemisphere to control the left part of both eyes. This aids in binocular vision.
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rgandhi2002
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Re: Anatomy & Physiology B/C

Postby rgandhi2002 » October 13th, 2016, 8:51 pm

What is the function of the optic chiasm?
Answer
The optic chiasm is where the fibers of the optic nerve partially decussate, specifically the medial fibers of each retina. This allows the left hemisphere of the brain to control the right part of both eyes, and the right hemisphere to control the left part of both eyes. This aids in binocular vision.
Correct!!! Your turn!
always a scioly kid at heart

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Re: Anatomy & Physiology B/C

Postby bhavjain » October 19th, 2016, 8:26 pm

Differentiate between anterograde and retrograde amnesia.
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