Animal Development
... formation of the digestive tube with a mouth and an anus. The gastrula has three germ layers and is covered with cilia, which function in swimming and feeding. ...
... formation of the digestive tube with a mouth and an anus. The gastrula has three germ layers and is covered with cilia, which function in swimming and feeding. ...
Sparse but not `Grandmother-cell` coding in the medial temporal lobe
... by a large set of studies in both humans and animals (see for example [18,36]. In line with this evidence, it is very likely that the responses of human MTL cells described in the previous section link visual (or other forms of) perception to memory. For example, the cell responding to pictures of S ...
... by a large set of studies in both humans and animals (see for example [18,36]. In line with this evidence, it is very likely that the responses of human MTL cells described in the previous section link visual (or other forms of) perception to memory. For example, the cell responding to pictures of S ...
Unit10 Nervous Wk 1
... mark is level with the top of the forefinger. 2. Without warning, the first student drops the rule and the second student attempts to catch it between the thumb and forefinger, noting the distance on the ruler just above the forefinger. 3. Repeat several times, so that an average can be calculated. ...
... mark is level with the top of the forefinger. 2. Without warning, the first student drops the rule and the second student attempts to catch it between the thumb and forefinger, noting the distance on the ruler just above the forefinger. 3. Repeat several times, so that an average can be calculated. ...
Supporting Information S1.
... following the protocol devised by Rall [2,3]. Briefly, short current pulses (0.5 ms) were injected into the neurons and the decay phase was fitted to the sum of a series of exponential curves. To limit the involvement of voltage-activated channels, hyperpolarizing pulses (ranging from -100 pA to -50 ...
... following the protocol devised by Rall [2,3]. Briefly, short current pulses (0.5 ms) were injected into the neurons and the decay phase was fitted to the sum of a series of exponential curves. To limit the involvement of voltage-activated channels, hyperpolarizing pulses (ranging from -100 pA to -50 ...
Figure 47.0 Human embryo
... • Receptors on the vitelline egg layer are specific • The reaction is the fast block to polyspermy • A depolarization of the membrane stops other sperm from penetrating ...
... • Receptors on the vitelline egg layer are specific • The reaction is the fast block to polyspermy • A depolarization of the membrane stops other sperm from penetrating ...
Nervous System
... Glial Cells (Neuroglial Cells) • Supportive, protective, and connective tissue of the CNS • Glial cells are stromal (framework) tissue, whereas neurons carry nervous impulses 1. Astrocytes ...
... Glial Cells (Neuroglial Cells) • Supportive, protective, and connective tissue of the CNS • Glial cells are stromal (framework) tissue, whereas neurons carry nervous impulses 1. Astrocytes ...
Brain Regions
... together in a highly organized fashion to form the rapid control center of the body. • Functions include: – Integrating center for homeostasis, movement, and almost all other body functions. – The mysterious source of those traits that we think of as setting humans apart from animals ...
... together in a highly organized fashion to form the rapid control center of the body. • Functions include: – Integrating center for homeostasis, movement, and almost all other body functions. – The mysterious source of those traits that we think of as setting humans apart from animals ...
Audition and Equilibrium
... stimulated…which set of sensory axons have action potentials • Intensity coded by degree of displacement of stereocilia of hair cells and ultimately the frequency of action potentials in those axons that are active ...
... stimulated…which set of sensory axons have action potentials • Intensity coded by degree of displacement of stereocilia of hair cells and ultimately the frequency of action potentials in those axons that are active ...
section 4
... important observation found by pharmacological manipulations is that the internal clock of animals can be speeded up or slowed down. This can be shown when subjects are trained off the drug and then tested on it or visa versa. For example when a rat is administered a dopamine agonist called metaamph ...
... important observation found by pharmacological manipulations is that the internal clock of animals can be speeded up or slowed down. This can be shown when subjects are trained off the drug and then tested on it or visa versa. For example when a rat is administered a dopamine agonist called metaamph ...
PCL - mmc7
... Upper motor neurons: an upper motor neuron originates in the cerebral cortex or brainstem and conducts nerve impulses down to the appropriate spinal level. An upper motor neuron lesion is also known as a pyramidal lesion. Lower motor neurons: these carry nerve impulses from the spinal cord (or brain ...
... Upper motor neurons: an upper motor neuron originates in the cerebral cortex or brainstem and conducts nerve impulses down to the appropriate spinal level. An upper motor neuron lesion is also known as a pyramidal lesion. Lower motor neurons: these carry nerve impulses from the spinal cord (or brain ...
PDF
... Neural progenitor divisions up to Par The balance between proliferative (self-renewing) and differentiative division of neural progenitor cells during development determines the final size of the different brain regions, but what regulates this balance? On p. 11, Magdalena Götz and colleagues reveal ...
... Neural progenitor divisions up to Par The balance between proliferative (self-renewing) and differentiative division of neural progenitor cells during development determines the final size of the different brain regions, but what regulates this balance? On p. 11, Magdalena Götz and colleagues reveal ...
PDF
... Neural progenitor divisions up to Par The balance between proliferative (self-renewing) and differentiative division of neural progenitor cells during development determines the final size of the different brain regions, but what regulates this balance? On p. 11, Magdalena Götz and colleagues reveal ...
... Neural progenitor divisions up to Par The balance between proliferative (self-renewing) and differentiative division of neural progenitor cells during development determines the final size of the different brain regions, but what regulates this balance? On p. 11, Magdalena Götz and colleagues reveal ...
PDF
... Neural progenitor divisions up to Par The balance between proliferative (self-renewing) and differentiative division of neural progenitor cells during development determines the final size of the different brain regions, but what regulates this balance? On p. 11, Magdalena Götz and colleagues reveal ...
... Neural progenitor divisions up to Par The balance between proliferative (self-renewing) and differentiative division of neural progenitor cells during development determines the final size of the different brain regions, but what regulates this balance? On p. 11, Magdalena Götz and colleagues reveal ...
Hypothalamus
... – Communication between neurons • Hypothalamic neurons – Paraventricular hypothalamus – Lateral hypothalamic area – Arcuate nuclei ...
... – Communication between neurons • Hypothalamic neurons – Paraventricular hypothalamus – Lateral hypothalamic area – Arcuate nuclei ...
Ch. 7 - The Nervous System
... (1) Dendrites - conduct impulses toward the cell body (2) Axons - conduct impulses away from the cell body (a) Axons end in axonal terminals I. Axonal terminals contain vesicles with neurotransmitters II. Axonal terminals are separated from the next neuron by a gap III. Synaptic cleft - gap between ...
... (1) Dendrites - conduct impulses toward the cell body (2) Axons - conduct impulses away from the cell body (a) Axons end in axonal terminals I. Axonal terminals contain vesicles with neurotransmitters II. Axonal terminals are separated from the next neuron by a gap III. Synaptic cleft - gap between ...
Sensory organs and perception
... cells containing photoreceptors (rods and cones) that convert the light waves to neural impulses through a photochemical reaction. Aside from the differences in shape suggested by their names, rod and cone cells contain different light-processing chemicals (photopigments), perform different function ...
... cells containing photoreceptors (rods and cones) that convert the light waves to neural impulses through a photochemical reaction. Aside from the differences in shape suggested by their names, rod and cone cells contain different light-processing chemicals (photopigments), perform different function ...
9-2_DescPathwaysBS_BusF
... information from secondary vestibular neurons to cervical segments. Controls the movement of the head, commands for eye movement. 2. Descending neuronal pathways through the brain stem: tractus corticospinalis: it has motor function: face muscles and voluntary movements a. Tractus corticospinalis cr ...
... information from secondary vestibular neurons to cervical segments. Controls the movement of the head, commands for eye movement. 2. Descending neuronal pathways through the brain stem: tractus corticospinalis: it has motor function: face muscles and voluntary movements a. Tractus corticospinalis cr ...
Development Vocabulary
... Blastocoel – The cavity in the blastula of the developing embryo. Blastocyst – A pre-implantation embryo of 30-150 cells. Consists of a sphere made up of an outer layer of cells (the trophoderm), a fluid-filled cavity (the blastocoels), and a cluster of cells on the interior (inner cell mass). Blast ...
... Blastocoel – The cavity in the blastula of the developing embryo. Blastocyst – A pre-implantation embryo of 30-150 cells. Consists of a sphere made up of an outer layer of cells (the trophoderm), a fluid-filled cavity (the blastocoels), and a cluster of cells on the interior (inner cell mass). Blast ...
Chapter 10: Nervous System I: Basic Structure and Function
... 4. Axons within the central nervous system do not regenerate because there is no tube of sheath cells to guide it. V. The Synapse A. Introduction 1. Synapses are the places where impulses are passed from one neuron to another or to other cells. 2. A presynaptic neuron is the neuron that brings the i ...
... 4. Axons within the central nervous system do not regenerate because there is no tube of sheath cells to guide it. V. The Synapse A. Introduction 1. Synapses are the places where impulses are passed from one neuron to another or to other cells. 2. A presynaptic neuron is the neuron that brings the i ...
14-Nervous System - Savita Pall and Chemistry
... The skull protects the brain and the spine guards the spinal cord. The brain and the spinal cord are surrounded by cerebrospinal fluid— this helps to cushion them from injury, transports chemicals, and removes wastes that are produced in the brain. The part of the nervous system consisting of the ne ...
... The skull protects the brain and the spine guards the spinal cord. The brain and the spinal cord are surrounded by cerebrospinal fluid— this helps to cushion them from injury, transports chemicals, and removes wastes that are produced in the brain. The part of the nervous system consisting of the ne ...
