The Nervous System: Neural Tissue
... 1. Unipolar – have a single process that emerges from the cell body. Functions mainly as an axon for the PNS. 2. Bipolar – have two processes- one axon, one dendrite. Found in the retina of the eye and the olfactory mucosa. 3. Multipolar – have many (at least 2) dendrites and one axon. Most common n ...
... 1. Unipolar – have a single process that emerges from the cell body. Functions mainly as an axon for the PNS. 2. Bipolar – have two processes- one axon, one dendrite. Found in the retina of the eye and the olfactory mucosa. 3. Multipolar – have many (at least 2) dendrites and one axon. Most common n ...
Neural Development - Peoria Public Schools
... • Nerve cells migrate to their final position with amoeba like movement a. Once in their final position, mature neurons do not normally move. ...
... • Nerve cells migrate to their final position with amoeba like movement a. Once in their final position, mature neurons do not normally move. ...
Neuroplasticity - Bakersfield College
... Neural tube cells proliferate in species-specific ways: three swellings at the anterior end in humans will become the forebrain, midbrain, and hindbrain Proliferation is chemically guided by the organizer areas – the roof plate and the floor plate ...
... Neural tube cells proliferate in species-specific ways: three swellings at the anterior end in humans will become the forebrain, midbrain, and hindbrain Proliferation is chemically guided by the organizer areas – the roof plate and the floor plate ...
solutions - Berkeley MCB
... a. Rods hyperpolarize to light, while cones depolarize to light b. Cones do not use the effector enzyme phosphodiesterase c. Cones and rods use different types of opsins d. Only cones contain retinal 2) The optic disk is a “blind spot” in the visual field because: This is where the retinal ganglion ...
... a. Rods hyperpolarize to light, while cones depolarize to light b. Cones do not use the effector enzyme phosphodiesterase c. Cones and rods use different types of opsins d. Only cones contain retinal 2) The optic disk is a “blind spot” in the visual field because: This is where the retinal ganglion ...
6.1 Overview of the Nervous System
... e. Classified by function: 3 types of neurons 1. Sensory neurons – carry impulses from the skin and organs to spinal cord and brain, carrying environmental and internal information (input) 2. Motor neurons – transmit impulses from the brain and spinal cord to muscles and glands 3. Interneurons (ass ...
... e. Classified by function: 3 types of neurons 1. Sensory neurons – carry impulses from the skin and organs to spinal cord and brain, carrying environmental and internal information (input) 2. Motor neurons – transmit impulses from the brain and spinal cord to muscles and glands 3. Interneurons (ass ...
Document
... 7. The fingerlike structures of a neuron that receive input from other neurons are called: A. dendrites B. axons C. vesicles D. myelins ...
... 7. The fingerlike structures of a neuron that receive input from other neurons are called: A. dendrites B. axons C. vesicles D. myelins ...
Chapter Eleven
... • Long axons are called _ • Usually there is only one unbranched axon per neuron • Rare branches, if present, are called _ • Axonal terminal – branched terminus of an axon ...
... • Long axons are called _ • Usually there is only one unbranched axon per neuron • Rare branches, if present, are called _ • Axonal terminal – branched terminus of an axon ...
Nervous Tissue (Ch
... * Nissl bodies – dense networks of rough endoplasmic reticulum, compartmentalized by * neurofibrils - intermediate filaments (actin) of cytoskeleton 2. dendrites - receive - short, highly branched - not usually myelinated 3. axon - sends - long, few branches (except for axon collaterals) - no Nissl ...
... * Nissl bodies – dense networks of rough endoplasmic reticulum, compartmentalized by * neurofibrils - intermediate filaments (actin) of cytoskeleton 2. dendrites - receive - short, highly branched - not usually myelinated 3. axon - sends - long, few branches (except for axon collaterals) - no Nissl ...
Ch. 48-49 Nervous System 9e S13
... Organization of the Nervous System • Central nervous system (CNS) = brain + spinal cord • Peripheral nervous system (PNS) = nerves throughout body – Sensory receptors: collect info – Sensory neurons: body CNS – Motor neurons: CNS body (muscles, glands) – Interneurons: connect sensory & motor n ...
... Organization of the Nervous System • Central nervous system (CNS) = brain + spinal cord • Peripheral nervous system (PNS) = nerves throughout body – Sensory receptors: collect info – Sensory neurons: body CNS – Motor neurons: CNS body (muscles, glands) – Interneurons: connect sensory & motor n ...
2222222222222222222 System • Responsible for coordinating the
... • Although neurons differ in size and function, all are composed of similar parts: o Cell body: area of the nerve containing the nucleus o Dendrites: made of cytoplasm ! ________________________________ __________________ o Axon: cytoplasmic tail that carries the nerve impulse to other nerves or eff ...
... • Although neurons differ in size and function, all are composed of similar parts: o Cell body: area of the nerve containing the nucleus o Dendrites: made of cytoplasm ! ________________________________ __________________ o Axon: cytoplasmic tail that carries the nerve impulse to other nerves or eff ...
Neuro2
... transport of vesicles down axons), DBH (a protein inserted into the synaptic cleft in an activitydependent manner), NSFs (prepares the vesicles for fusion w/ the neuron’s membrane), NGF (attracts/repels axons during development). There are more chemicals, but this is getting tiring. 8) A neuroendocr ...
... transport of vesicles down axons), DBH (a protein inserted into the synaptic cleft in an activitydependent manner), NSFs (prepares the vesicles for fusion w/ the neuron’s membrane), NGF (attracts/repels axons during development). There are more chemicals, but this is getting tiring. 8) A neuroendocr ...
1 Absolute refractory period a. Time during which a second
... WHERE DOES THE SPINAL L2 CORD END? produce myelin sheath around axons of PNS neurons. ...
... WHERE DOES THE SPINAL L2 CORD END? produce myelin sheath around axons of PNS neurons. ...
Histology of Nervous Tissue
... • Dendrites receive stimuli (signals) from sensory cells, axons, or other neurons and convert these signals into small electrical impulses (action potentials) that are transmitted toward the soma. • The dendrite cytoplasm is similar to that of the soma except that it lacks a Golgi complex. • Organe ...
... • Dendrites receive stimuli (signals) from sensory cells, axons, or other neurons and convert these signals into small electrical impulses (action potentials) that are transmitted toward the soma. • The dendrite cytoplasm is similar to that of the soma except that it lacks a Golgi complex. • Organe ...
Neural Tissue - Decker
... Highly branched dendrites at one end, one axon at the other end with the soma in the middle ...
... Highly branched dendrites at one end, one axon at the other end with the soma in the middle ...
Final Exam Practice Problems
... neurotrophins and survival? There is more cell death if a limb is removed and less cell death if a limb is added. This shows that the target synthesizes cell survival factors in limited quantities. ...
... neurotrophins and survival? There is more cell death if a limb is removed and less cell death if a limb is added. This shows that the target synthesizes cell survival factors in limited quantities. ...
File
... Overview of the Nervous System • STRUCTURES: brain, spinal cord, & peripheral nerves • FUNCTION: Recognizes and coordinates the body’s response to changes in its internal and external environments ...
... Overview of the Nervous System • STRUCTURES: brain, spinal cord, & peripheral nerves • FUNCTION: Recognizes and coordinates the body’s response to changes in its internal and external environments ...
![Nervous Tissue [PPT]](http://s1.studyres.com/store/data/000313628_1-63044c543d97a5d91f1cbdf37558ffd7-300x300.png)
Nervous Tissue [PPT]
... • Large cell body (aka soma or perikaryon) • Large, euchromatic nucleus (and usually a prominent nucleolus) • Extensive cytoplasmic extensions: – Dendrite(s): single or multiple extensions specialized for receiving input – Axon: single, large extension specialized for conveying output (in humans, ca ...
... • Large cell body (aka soma or perikaryon) • Large, euchromatic nucleus (and usually a prominent nucleolus) • Extensive cytoplasmic extensions: – Dendrite(s): single or multiple extensions specialized for receiving input – Axon: single, large extension specialized for conveying output (in humans, ca ...
Outline10 Action Potl
... Nervous System Organization 1. Central Nervous System (CNS) - Brain and Spinal Cord. 2. Peripheral Nervous System (PNS) - nerves, ganglia and sensory receptors a. Afferent Division - input sensory information to the CNS b. Efferent Division - output motor signals from CNS to effector organs Function ...
... Nervous System Organization 1. Central Nervous System (CNS) - Brain and Spinal Cord. 2. Peripheral Nervous System (PNS) - nerves, ganglia and sensory receptors a. Afferent Division - input sensory information to the CNS b. Efferent Division - output motor signals from CNS to effector organs Function ...
Design a Neuron
... Axon terminals – release the electrical impulse as a chemical called a neurotransmitter into the synapse to the next neuron or organ. ...
... Axon terminals – release the electrical impulse as a chemical called a neurotransmitter into the synapse to the next neuron or organ. ...
Exercise 13
... connected to the brain • Spinal nerves are connected to the spinal cord. • Both contain sensory information from receptors and send motor signals. ...
... connected to the brain • Spinal nerves are connected to the spinal cord. • Both contain sensory information from receptors and send motor signals. ...
Study questions for this lab.
... What is the region of the brain called that processes sensory information from various parts of the body? How is it that a touch stimulus delivered to the left hand gets processed on the right side of the brain? For a first order sensory neuron axon conveying pain or temperature information, what i ...
... What is the region of the brain called that processes sensory information from various parts of the body? How is it that a touch stimulus delivered to the left hand gets processed on the right side of the brain? For a first order sensory neuron axon conveying pain or temperature information, what i ...
Slide ()
... The axons of retinal ganglion cells grow to the optic tectum in discrete steps. Two neurons that carry information from the nasal half of the retina are shown. The axon of one crosses the optic chiasm to reach the contralateral optic tectum. The axon of the other also crosses the optic chiasm but pr ...
... The axons of retinal ganglion cells grow to the optic tectum in discrete steps. Two neurons that carry information from the nasal half of the retina are shown. The axon of one crosses the optic chiasm to reach the contralateral optic tectum. The axon of the other also crosses the optic chiasm but pr ...
Nervous System - North Mac Schools
... Neural Response to Injury Wallerian Degeneration- PNS • 1. fragmentation of axon & myelin occurs in distal stump • 2. Schwann cells form cord, grow into cut, & unite stumps • Macrophages engulf debris ...
... Neural Response to Injury Wallerian Degeneration- PNS • 1. fragmentation of axon & myelin occurs in distal stump • 2. Schwann cells form cord, grow into cut, & unite stumps • Macrophages engulf debris ...
Development of the Brain
... Migration-move toward final destination Differentiation-form axons and dendrites Myelination-addition of insulating sheath ...
... Migration-move toward final destination Differentiation-form axons and dendrites Myelination-addition of insulating sheath ...