Vestibular senses
... Light hits photoreceptors – bleaches rhodopsin molecules that “splits” into retinal; Retinal activates transducin; Transducin in turn activates phosphodiesterase; Phosphodiesterase destroys cGMP; cGMP destruction closes the cationic channels (channels that let Na+ and Ca++ inside the receptors); Thi ...
... Light hits photoreceptors – bleaches rhodopsin molecules that “splits” into retinal; Retinal activates transducin; Transducin in turn activates phosphodiesterase; Phosphodiesterase destroys cGMP; cGMP destruction closes the cationic channels (channels that let Na+ and Ca++ inside the receptors); Thi ...
The Nervous System
... These 2 systems are antagonistic. Typically, we balance these 2 to keep ourselves in a state of dynamic balance. We’ll go further into the difference btwn these 2 later! ...
... These 2 systems are antagonistic. Typically, we balance these 2 to keep ourselves in a state of dynamic balance. We’ll go further into the difference btwn these 2 later! ...
1 Name: Period: _____ Laboratory Exercise and Activity: Nervous
... wrappings called myelin sheaths around axons. As Schwann cells wrap around axons, their cytoplasm is pushed to the periphery and is called neurolemma. The multiple layers of myelin that surround the axons are composed of lipoprotein (about 80% lipids and 20% protein), similar to the make-up of plasm ...
... wrappings called myelin sheaths around axons. As Schwann cells wrap around axons, their cytoplasm is pushed to the periphery and is called neurolemma. The multiple layers of myelin that surround the axons are composed of lipoprotein (about 80% lipids and 20% protein), similar to the make-up of plasm ...
Slide ()
... Anatomical and functional relationship between the hypothalamus and the pituitary. The hypothalamus is anatomically and functionally linked with the anterior and posterior pituitary. They are closely related because of the portal system of blood supply. The superior, medial, and inferior hypophyseal ...
... Anatomical and functional relationship between the hypothalamus and the pituitary. The hypothalamus is anatomically and functionally linked with the anterior and posterior pituitary. They are closely related because of the portal system of blood supply. The superior, medial, and inferior hypophyseal ...
corticospinal tract
... • What do we know about the extent of innervation as it relates to sensory information? • Explain the statement that functional systems are hierarchically organized. ...
... • What do we know about the extent of innervation as it relates to sensory information? • Explain the statement that functional systems are hierarchically organized. ...
Q1 (from chapter 1)
... A. Lobotomy causes drastic changes in personality and comportment B. Major motor and sensory pathways cross sides C. Bilateral hippocampectomy causes global aphasia D. In most people the left hemisphere is dominant for language abilities E. Orbitofrontal cortex is responsible for social behavior Q2 ...
... A. Lobotomy causes drastic changes in personality and comportment B. Major motor and sensory pathways cross sides C. Bilateral hippocampectomy causes global aphasia D. In most people the left hemisphere is dominant for language abilities E. Orbitofrontal cortex is responsible for social behavior Q2 ...
“Definitions” section of your binder Central nervous system
... -Messages from and to the brain travel in nerves (long strings of neurons) ->this is via electrical signals emitted as a signal once the neuron is stimulated past the minimum, or threshold level. -part of a Neuron ->Dendritess: thin fibres protruding from the cell body ->The cell body ...
... -Messages from and to the brain travel in nerves (long strings of neurons) ->this is via electrical signals emitted as a signal once the neuron is stimulated past the minimum, or threshold level. -part of a Neuron ->Dendritess: thin fibres protruding from the cell body ->The cell body ...
15. Nervous System: Autonomic Nervous System
... with bodies located in the brain or spinal cord and axons that extend through cranial or spinal nerves. The axons of somatic motor neurons synapse with skeletal muscles. All somatic motor neurons release the neurotransmitter acetylcholine (ACh) from their synaptic knobs. ACh is always excitatory at ...
... with bodies located in the brain or spinal cord and axons that extend through cranial or spinal nerves. The axons of somatic motor neurons synapse with skeletal muscles. All somatic motor neurons release the neurotransmitter acetylcholine (ACh) from their synaptic knobs. ACh is always excitatory at ...
No Slide Title
... After the Action Potential. • Neurons may have different thresholds of excitation but all obey the rule that once the threshold is reached, an action potential is triggered – this is called the ‘all-or-none rule’. • Following the action potential, the sodium gates remain closed for around 1ms and s ...
... After the Action Potential. • Neurons may have different thresholds of excitation but all obey the rule that once the threshold is reached, an action potential is triggered – this is called the ‘all-or-none rule’. • Following the action potential, the sodium gates remain closed for around 1ms and s ...
“Using light to dissect and direct cellular organization and dynamics”
... engineered a system to control the transport and positioning of intracellular components with light. This allows us to directly explore the functional consequences of organelle mislocalization. In addition, we have engineered novel probes for the super-resolution imaging of microtubules, the intrace ...
... engineered a system to control the transport and positioning of intracellular components with light. This allows us to directly explore the functional consequences of organelle mislocalization. In addition, we have engineered novel probes for the super-resolution imaging of microtubules, the intrace ...
LectureTest22011, the new questions
... B. 27. Sensory pathways. Choose the FALSE statement. A. The sensory information carried by the spinothalamic and dorsal column pathways comes to our consciousness, but sensory information carried by the spinocerebellar pathway does not. B. In the dorsal column patahway, the axons of the first neuron ...
... B. 27. Sensory pathways. Choose the FALSE statement. A. The sensory information carried by the spinothalamic and dorsal column pathways comes to our consciousness, but sensory information carried by the spinocerebellar pathway does not. B. In the dorsal column patahway, the axons of the first neuron ...
Neurons & Transmission of Information
... Neurons & Transmission of Information •Neuron = specialized cell that conducts impulses (sends messages) through the nervous system •contains 3 major parts--cell body, dendrites, & an axon –Cell body = contains the nucleus & carries out the metabolic (life-sustaining) functions of the neuron –dendri ...
... Neurons & Transmission of Information •Neuron = specialized cell that conducts impulses (sends messages) through the nervous system •contains 3 major parts--cell body, dendrites, & an axon –Cell body = contains the nucleus & carries out the metabolic (life-sustaining) functions of the neuron –dendri ...
UNIT 2: Internal geological agents
... -They can suffer adaptation if the stimulus is persistent (do not respond). - A very intense stimulus can cause pain or destruction of receptors. There are different types of sentive receptor, according to the stimulus: -Mechanoreceptors: Stimuli involved: pressure, touch (by receptors locatated in ...
... -They can suffer adaptation if the stimulus is persistent (do not respond). - A very intense stimulus can cause pain or destruction of receptors. There are different types of sentive receptor, according to the stimulus: -Mechanoreceptors: Stimuli involved: pressure, touch (by receptors locatated in ...
Chapter 24
... C) myelinoid. D) menix. E) pia mater. 20. The brain area that contains reflex centers for breathing and cardiovascular functions is the A) cerebrum. B) cerebellum. C) medulla oblongata. D) pons. E) diencephalon. 21. The brain area that functions in coordination of activities such as limb movement an ...
... C) myelinoid. D) menix. E) pia mater. 20. The brain area that contains reflex centers for breathing and cardiovascular functions is the A) cerebrum. B) cerebellum. C) medulla oblongata. D) pons. E) diencephalon. 21. The brain area that functions in coordination of activities such as limb movement an ...
notes - Other Places you want to go
... Colorless fluid that contains chemicals that have many functions Includes lymphocytes to fight infection Main function is to protect brain and spinal cord ***Know Figure 16.5 (see Brain handout to study)*** Functions of some parts of the brain: Cerebrum – deals with “higher-level” brain func ...
... Colorless fluid that contains chemicals that have many functions Includes lymphocytes to fight infection Main function is to protect brain and spinal cord ***Know Figure 16.5 (see Brain handout to study)*** Functions of some parts of the brain: Cerebrum – deals with “higher-level” brain func ...
Nervous System
... Vary in size and structure, but have common features: 1. Cell Body 2. Dendrites 3. Axon ...
... Vary in size and structure, but have common features: 1. Cell Body 2. Dendrites 3. Axon ...
Slide ()
... Organization of the anterior and posterior pituitary gland. Hypothalamic neurons in the supraoptic (SON) and paraventricular (PVN) nuclei synthesize arginine vasopressin (AVP) or oxytocin (OXY). Most of their axons project directly to the posterior pituitary, from which AVP and OXY are secreted into ...
... Organization of the anterior and posterior pituitary gland. Hypothalamic neurons in the supraoptic (SON) and paraventricular (PVN) nuclei synthesize arginine vasopressin (AVP) or oxytocin (OXY). Most of their axons project directly to the posterior pituitary, from which AVP and OXY are secreted into ...
Overview of Neuromorphic Computing Chris Carothers, CCI Director
... Neuron Classification (from KSJ 4e, 2000) Neurons can be classified as unipolar, bipolar, or multipolar according to the number of processes that originate from the cell body. A. Unipolar cells have a single process, with different segments serving as receptive surfaces or releasing terminals. Unip ...
... Neuron Classification (from KSJ 4e, 2000) Neurons can be classified as unipolar, bipolar, or multipolar according to the number of processes that originate from the cell body. A. Unipolar cells have a single process, with different segments serving as receptive surfaces or releasing terminals. Unip ...
Structure of the Brain PowerPoint Notes
... – carry information from the senses, skin, muscles, and the body’s organs to and from the spinal cord – nerves in the peripheral nervous system have the ability to grow or reattach if severed or damaged SENDING INFORMATION: ACTION POTENTIAL SEQUENCE – axon membrane has chemical gates that can open t ...
... – carry information from the senses, skin, muscles, and the body’s organs to and from the spinal cord – nerves in the peripheral nervous system have the ability to grow or reattach if severed or damaged SENDING INFORMATION: ACTION POTENTIAL SEQUENCE – axon membrane has chemical gates that can open t ...
Types of Neurons of ANS
... Visceral reflex arcs have the same components as somatic reflexes Main difference: visceral reflex arc has two neurons in the motor pathway Visceral pain afferents travel along the same pathways as somatic pain fibers, contributing to the phenomenon of referred pain ...
... Visceral reflex arcs have the same components as somatic reflexes Main difference: visceral reflex arc has two neurons in the motor pathway Visceral pain afferents travel along the same pathways as somatic pain fibers, contributing to the phenomenon of referred pain ...
Document
... norepinephrine, and dopamine, triggering extreme changes in brain function. Physical effects include increased body temperature, heart rate, and blood pressure. Psychological effects include perceptual and thought distortions, hallucinations, delusions, and rapid mood swings. ...
... norepinephrine, and dopamine, triggering extreme changes in brain function. Physical effects include increased body temperature, heart rate, and blood pressure. Psychological effects include perceptual and thought distortions, hallucinations, delusions, and rapid mood swings. ...
Ch_09_Nervous_System_A_
... norepinephrine, and dopamine, triggering extreme changes in brain function. Physical effects include increased body temperature, heart rate, and blood pressure. Psychological effects include perceptual and thought distortions, hallucinations, delusions, and rapid mood swings. ...
... norepinephrine, and dopamine, triggering extreme changes in brain function. Physical effects include increased body temperature, heart rate, and blood pressure. Psychological effects include perceptual and thought distortions, hallucinations, delusions, and rapid mood swings. ...
Nerve activates contraction - Silver Falls School District
... Nerve fibers that carry impulses away from the central nervous system ...
... Nerve fibers that carry impulses away from the central nervous system ...