Neurons and Nervous System
... potential when they open and close. The membrane is depolarized when Na+ enters the cell and the inside of the neuron becomes less negative than when at rest. If gated K+ channels open and K+ leaves, the cell becomes more negative inside and the membrane is ...
... potential when they open and close. The membrane is depolarized when Na+ enters the cell and the inside of the neuron becomes less negative than when at rest. If gated K+ channels open and K+ leaves, the cell becomes more negative inside and the membrane is ...
02Anatomy of the Spinal Cord
... • Describe the external anatomy of the spinal cord. • Describe the internal anatomy of the spinal cord. • Describe the spinal nerves: formation, branches and distribution via plexuses. • Define ‘Dermatome’ and describe its significance. • Describe the meninges of the spinal cord. • Define a reflex a ...
... • Describe the external anatomy of the spinal cord. • Describe the internal anatomy of the spinal cord. • Describe the spinal nerves: formation, branches and distribution via plexuses. • Define ‘Dermatome’ and describe its significance. • Describe the meninges of the spinal cord. • Define a reflex a ...
File - Schuette Science
... Skeletal Muscle – The muscles that are under conscious control and enable the body to move (voluntary) Skeletal muscle is striated – narrow stripes or bands that are visible under a microscope Cell nucleus divides, but cell does not = 1 cell might have more than one nuclei Contain more mitocho ...
... Skeletal Muscle – The muscles that are under conscious control and enable the body to move (voluntary) Skeletal muscle is striated – narrow stripes or bands that are visible under a microscope Cell nucleus divides, but cell does not = 1 cell might have more than one nuclei Contain more mitocho ...
Chapter 18-Autonomic Nervous System
... • Autonomic ganglion is where pre- and post-ganglionic neurons synapse; houses ganglionic neuron cell body • Ganglionic neuron cell body attached to postganglionic axon ...
... • Autonomic ganglion is where pre- and post-ganglionic neurons synapse; houses ganglionic neuron cell body • Ganglionic neuron cell body attached to postganglionic axon ...
beyond the 5 senses – nervous system-lesson 2
... sent along the afferent nerves to the CNS where they synapse with motor neurons of the same muscle. ...
... sent along the afferent nerves to the CNS where they synapse with motor neurons of the same muscle. ...
Sympathetic and Parasympathetic
... Sympathetic mydriatics Directly act on dilation pupillae to produce mydriatics (eg. Adrenaline as is tra-cameral injection, Phenylpherine drops 2.5-10%) and locaine ...
... Sympathetic mydriatics Directly act on dilation pupillae to produce mydriatics (eg. Adrenaline as is tra-cameral injection, Phenylpherine drops 2.5-10%) and locaine ...
UNIT 3
... nervous system causes muscular contraction or glandular secretion, the endocrine system alters metabolic activities, regulates growth and development, and guides the reproductive process. Nerve impulses are generally much faster but the responses are briefer than hormones which are slower in respons ...
... nervous system causes muscular contraction or glandular secretion, the endocrine system alters metabolic activities, regulates growth and development, and guides the reproductive process. Nerve impulses are generally much faster but the responses are briefer than hormones which are slower in respons ...
The Brain
... o Pia mater – thin delicate membrane that closely follows all the contours of the brain surface, even dipping into the grooves (sulci) Ventricles and Cerebrospinal Fluid o The brain has 4 fluid-filled chambers There are two lateral ventricles, each of which forms an arc in a cerebral hemisphere ...
... o Pia mater – thin delicate membrane that closely follows all the contours of the brain surface, even dipping into the grooves (sulci) Ventricles and Cerebrospinal Fluid o The brain has 4 fluid-filled chambers There are two lateral ventricles, each of which forms an arc in a cerebral hemisphere ...
What is Your Reaction Time?
... Neurotransmitter: A chemical that acts as a messenger between neurons, and is released into the synaptic cleft when a nerve impulse reaches the end of an axon. Several dozen neurotransmitters have been identified in the brain so far, each with specific, often complex roles in brain function and huma ...
... Neurotransmitter: A chemical that acts as a messenger between neurons, and is released into the synaptic cleft when a nerve impulse reaches the end of an axon. Several dozen neurotransmitters have been identified in the brain so far, each with specific, often complex roles in brain function and huma ...
Nervous System
... 26. Which area of the brain serves as the sensory relay station for all sensory input except smell? A. hypothalamus (the part of the brain that connects the nervous system to the endocrine system because of its control of the pituitary gland. The hypothalamus is responsible for ...
... 26. Which area of the brain serves as the sensory relay station for all sensory input except smell? A. hypothalamus (the part of the brain that connects the nervous system to the endocrine system because of its control of the pituitary gland. The hypothalamus is responsible for ...
Chapter 9: Motivation and Emotion
... sensitive to glucose in the surrounding fluid. It appears likely that hunger is regulated, in part, through glucostatic mechanisms. Hormonal regulation Insulin and Leptin Hormones circulating in the blood also appear to be related to hunger. Insulin, secreted by the pancreas, must be present for cel ...
... sensitive to glucose in the surrounding fluid. It appears likely that hunger is regulated, in part, through glucostatic mechanisms. Hormonal regulation Insulin and Leptin Hormones circulating in the blood also appear to be related to hunger. Insulin, secreted by the pancreas, must be present for cel ...
chapter48
... The nervous, endocrine and immune systems often cooperate and interact in regulating internal body functions to maintain homeostasis. The ability of an organism to survive and maintain homeostasis depends largely on how it responds to internal and external stimuli. A stimulus is an agent or a change ...
... The nervous, endocrine and immune systems often cooperate and interact in regulating internal body functions to maintain homeostasis. The ability of an organism to survive and maintain homeostasis depends largely on how it responds to internal and external stimuli. A stimulus is an agent or a change ...
CHAPTER 6 PRINCIPLES OF NEURAL CIRCUITS.
... Learned Responses may be volitional at first, and reflex later. A skilled pianist, dancer, or skier is not conscious of all movements being made, even though these same movements were executed consciously while learning the skill. Sensing of motor action and motor feedback on sensory systems is imp ...
... Learned Responses may be volitional at first, and reflex later. A skilled pianist, dancer, or skier is not conscious of all movements being made, even though these same movements were executed consciously while learning the skill. Sensing of motor action and motor feedback on sensory systems is imp ...
Central nervous system
... allows sodium (Na+) to flow inside the membrane • The exchange of ions initiates an action potential in the neuron Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings ...
... allows sodium (Na+) to flow inside the membrane • The exchange of ions initiates an action potential in the neuron Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings ...
Study guide (Word Document)
... 2. The nerve plexuses that leave the spinal cord carry information to and from the spinal cord p. 96 1. cerebral spinal fluid provides a stable chemical environment for the brain and physically cushions it 2. it goes into the spinal cord where it is reabsorbed into the blood 3. cerebrospinal fluid i ...
... 2. The nerve plexuses that leave the spinal cord carry information to and from the spinal cord p. 96 1. cerebral spinal fluid provides a stable chemical environment for the brain and physically cushions it 2. it goes into the spinal cord where it is reabsorbed into the blood 3. cerebrospinal fluid i ...
CLASS #1: 9 Jan 2001
... B. Organization: “Grey matter” surrounded by “white matter.” Through the middle runs a “central canal” that contains cerebrospinal fluid (CSF). Grey matter is composed of neuronal soma and synapses. White matter is composed of axon tracts heading rostrally to the brain or descending from the brain t ...
... B. Organization: “Grey matter” surrounded by “white matter.” Through the middle runs a “central canal” that contains cerebrospinal fluid (CSF). Grey matter is composed of neuronal soma and synapses. White matter is composed of axon tracts heading rostrally to the brain or descending from the brain t ...
learning objectives chapter 2
... association cortex. (see “Sensory and Motor Cortex” and “Association Cortex”) 20. Explain the roles of Broca’s area and Wernicke’s area in language production and comprehension. (see “Association Cortex”) 21. Explain how split-brain studies provide insight into the specialized functions of the brain ...
... association cortex. (see “Sensory and Motor Cortex” and “Association Cortex”) 20. Explain the roles of Broca’s area and Wernicke’s area in language production and comprehension. (see “Association Cortex”) 21. Explain how split-brain studies provide insight into the specialized functions of the brain ...
Nervous tissue Nervous system
... ANS, the enteric division, serves the alimentary canal. It communicates with the CNS through the parasympathetic and sympathetic nerve fibers; however, it can also function independently of the other two divisions of the ANS. ...
... ANS, the enteric division, serves the alimentary canal. It communicates with the CNS through the parasympathetic and sympathetic nerve fibers; however, it can also function independently of the other two divisions of the ANS. ...
How Does the Brain Sense Osmolality?
... been identified in the OVLT.5 The combined studies to date therefore strongly support the characterization of TRPV1, TRPV2, and TRPV4 as osmomechano-TRPs.15 However, despite the very promising nature of these findings, several dilemmas are evident with regard to their involvement in brain osmorecept ...
... been identified in the OVLT.5 The combined studies to date therefore strongly support the characterization of TRPV1, TRPV2, and TRPV4 as osmomechano-TRPs.15 However, despite the very promising nature of these findings, several dilemmas are evident with regard to their involvement in brain osmorecept ...
Cranial Nerve VII
... generate action potentials in response to the taste bud's receptor potentials. The peripheral processes of these neurons follow the lingual nerve and then chorda tympani to the petrous portion of the temporal bone (similar to the path followed by the efferent visceral motor fibers). ...
... generate action potentials in response to the taste bud's receptor potentials. The peripheral processes of these neurons follow the lingual nerve and then chorda tympani to the petrous portion of the temporal bone (similar to the path followed by the efferent visceral motor fibers). ...
5404_c2
... nuclei (SCN), principally through the retinohypothalamic tract (RHT), where it synchronizes the activity of the circadian oscillator to exactly 24 h. Neuronal efferent pathways from the SCN directly distribute circadian information to different brain areas, including the pineal gland, that generates ...
... nuclei (SCN), principally through the retinohypothalamic tract (RHT), where it synchronizes the activity of the circadian oscillator to exactly 24 h. Neuronal efferent pathways from the SCN directly distribute circadian information to different brain areas, including the pineal gland, that generates ...