the physiological approach
... Na+ channels inactivate (absolute refractory period) – completely unresponsive to a second stimulus Potassium flows out of the axon ...
... Na+ channels inactivate (absolute refractory period) – completely unresponsive to a second stimulus Potassium flows out of the axon ...
Tongue: Herpes Simplex Glossitis
... At this power it is easier to see the blood vessel with the perivascular hemorrhage and lymphocytic cuffing (1). In addition, the areas of edema and loss of neutrophil (2) can be better appreciated. Red shrunken neurons and glia with pyknotic nuclei (3) are also ...
... At this power it is easier to see the blood vessel with the perivascular hemorrhage and lymphocytic cuffing (1). In addition, the areas of edema and loss of neutrophil (2) can be better appreciated. Red shrunken neurons and glia with pyknotic nuclei (3) are also ...
SOMATIC NERVOUS SYSTEM Composed of somatic parts of CNS
... The ones that do this in the head and neck are located in the superior cervical ganglion, and they either go by way of arteries or contact and run with cranial nerves to find their destination in the head. o THE WEIRD ONES: SPLANCHNIC NERVES convey visceral efferent (autonomic) afferent fibers to an ...
... The ones that do this in the head and neck are located in the superior cervical ganglion, and they either go by way of arteries or contact and run with cranial nerves to find their destination in the head. o THE WEIRD ONES: SPLANCHNIC NERVES convey visceral efferent (autonomic) afferent fibers to an ...
cns structure - Department of Physiology
... Perception: an understanding of sensory information that results from neural processing. Afferent Neuron: carries information towards CNS. Efferent Neuron: carries information away from CNS. ...
... Perception: an understanding of sensory information that results from neural processing. Afferent Neuron: carries information towards CNS. Efferent Neuron: carries information away from CNS. ...
Basal Ganglia
... neurons continue firing and change their activities according to certain adjustments made to each movement. Such BG activity influences VL thalamic projections back to area 4 (primary motor cortex), allowing for more discrete regulation of individual muscles. Additional targets of BG output are te ...
... neurons continue firing and change their activities according to certain adjustments made to each movement. Such BG activity influences VL thalamic projections back to area 4 (primary motor cortex), allowing for more discrete regulation of individual muscles. Additional targets of BG output are te ...
The Biological Basis for Behavior
... connections that produce certain results. – Neurons network with nearby neurons with which they can have short, fast connections. – Neurons that fire together wire together. ...
... connections that produce certain results. – Neurons network with nearby neurons with which they can have short, fast connections. – Neurons that fire together wire together. ...
18-1 PITUITARY GLAND AND HYPOTHALAMUS 1. The pituitary
... PITUITARY GLAND AND HYPOTHALAMUS 1. The pituitary gland secretes nine major hormones that regulate many body functions. 2. The pituitary gland was once considered the "master" gland because hormones released from the pituitary control other endocrine glands and many body functions. It is now known t ...
... PITUITARY GLAND AND HYPOTHALAMUS 1. The pituitary gland secretes nine major hormones that regulate many body functions. 2. The pituitary gland was once considered the "master" gland because hormones released from the pituitary control other endocrine glands and many body functions. It is now known t ...
PMD 14. Neurophys I
... • slow pain (aching, throbbing) is not experienced until after a second or longer and is of prolonged duration - transmitted by C fibers, which synapse (substance P) at least twice in grey matter of cord; third order or higher fibers pass to opposite side of cord to enter paleospinothalamic tract wi ...
... • slow pain (aching, throbbing) is not experienced until after a second or longer and is of prolonged duration - transmitted by C fibers, which synapse (substance P) at least twice in grey matter of cord; third order or higher fibers pass to opposite side of cord to enter paleospinothalamic tract wi ...
The Brain
... the spinal cord, it will then travel along sensory pathways or tracts up to the brain’s cortex for interpretation ...
... the spinal cord, it will then travel along sensory pathways or tracts up to the brain’s cortex for interpretation ...
Chapter 15
... General Properties of ANS • autonomic nervous system (ANS) – a motor nervous system that controls glands, cardiac muscle, and smooth muscle – also called visceral motor system – primary organs of the ANS • viscera of thoracic and abdominal cavities • some structures of the body wall – cutaneous blo ...
... General Properties of ANS • autonomic nervous system (ANS) – a motor nervous system that controls glands, cardiac muscle, and smooth muscle – also called visceral motor system – primary organs of the ANS • viscera of thoracic and abdominal cavities • some structures of the body wall – cutaneous blo ...
Anatomy of spinal cord
... myelinated nerve fibers The white matter of the spinal cord is arranged in columns/funiculi; anterior, posterior and lateral. The nerve fibers are arranged as bundles, running vertically through the cord. A group of nerve fibers (axons) that share a common origin, termination and function form ...
... myelinated nerve fibers The white matter of the spinal cord is arranged in columns/funiculi; anterior, posterior and lateral. The nerve fibers are arranged as bundles, running vertically through the cord. A group of nerve fibers (axons) that share a common origin, termination and function form ...
Neuropathology Review
... Ependymal Granulation: Subglial cells which are under the ependymal cells that proliferate when there’s ependymal cell damage (i.e. meningitis), forming granulation to protect. Stenosis of the aqueduct: Caused by cellular proliferation. Damage after meningitis, causing aqueduct stenosis ----> hy ...
... Ependymal Granulation: Subglial cells which are under the ependymal cells that proliferate when there’s ependymal cell damage (i.e. meningitis), forming granulation to protect. Stenosis of the aqueduct: Caused by cellular proliferation. Damage after meningitis, causing aqueduct stenosis ----> hy ...
INTEGUMENTARY SYSTEM
... * Colliculi – visual & auditory nuclei - Pons – Below midbrain; joins cerebellum to brainstem - Medulla Oblongata – Below Pons, Regulates heartbeat & breathing; has role in consciousness; joins brain & spinal cord ...
... * Colliculi – visual & auditory nuclei - Pons – Below midbrain; joins cerebellum to brainstem - Medulla Oblongata – Below Pons, Regulates heartbeat & breathing; has role in consciousness; joins brain & spinal cord ...
The Nervous System
... Mrs. Ireland sits down and begins to write down all of the vocabulary from Biology II. What part of the brain is this? She then stands up and stands on one leg for 10 minutes. What part of the brain is this? Cerebrum Knowledge and learning ...
... Mrs. Ireland sits down and begins to write down all of the vocabulary from Biology II. What part of the brain is this? She then stands up and stands on one leg for 10 minutes. What part of the brain is this? Cerebrum Knowledge and learning ...
bulbar pseudobulbar
... Both the cortico-spinal and cortico-bulbar tracts send some axons to the pontine nuclei as they descend to synapse with lower motor neurons. These fibers that end in the pons form the cortico-pontine tract. This pathway carries information to the cerebellum (cortico-pontine-cerebellar) about the typ ...
... Both the cortico-spinal and cortico-bulbar tracts send some axons to the pontine nuclei as they descend to synapse with lower motor neurons. These fibers that end in the pons form the cortico-pontine tract. This pathway carries information to the cerebellum (cortico-pontine-cerebellar) about the typ ...
File
... • The hypothalamus is vital to the regulation of body temperature, the storage of nutrients, and various aspects of motivation and emotion. It is also involved in hunger, thirst, sexual behavior, caring for offspring, and aggression. • The limbic system is involved in learning and memory, emotion, h ...
... • The hypothalamus is vital to the regulation of body temperature, the storage of nutrients, and various aspects of motivation and emotion. It is also involved in hunger, thirst, sexual behavior, caring for offspring, and aggression. • The limbic system is involved in learning and memory, emotion, h ...
THE SPINAL CORD AND SPINAL REFLEXES
... A: Receptive fields. Size and locations of the receptive fields of 15 sensory units, determined by recording from the median nerve. All of these sensory units were rapidly adapting and were most likely conducting from Meisner-corpuscles. Within each receptive fields there are many Meissner corpuscle ...
... A: Receptive fields. Size and locations of the receptive fields of 15 sensory units, determined by recording from the median nerve. All of these sensory units were rapidly adapting and were most likely conducting from Meisner-corpuscles. Within each receptive fields there are many Meissner corpuscle ...
control of body movement
... Bind to opoid receptors (of which there are several subtypes; µ, ∂, ) on neurons. Opoid receptor activation leads to an increase in K+ conductance, membrane hyperpolarization, inhibition of action potential firing, and pre-synaptic inhibition of transmitter release. Analgesia of both acute and chro ...
... Bind to opoid receptors (of which there are several subtypes; µ, ∂, ) on neurons. Opoid receptor activation leads to an increase in K+ conductance, membrane hyperpolarization, inhibition of action potential firing, and pre-synaptic inhibition of transmitter release. Analgesia of both acute and chro ...
Biological Bases of Behavior
... stayed alive procreated and created offspring, those that ate the poisonous plants and tried to pet the leopards usually died ...
... stayed alive procreated and created offspring, those that ate the poisonous plants and tried to pet the leopards usually died ...
Hypothalamus and Limbic System
... Temperature regulation is an excellent example of a servo-control mechanism operating in the hypothalamus. The hypothalamus is sensitive both to hypothalamic and peripheral temperature, and it mediates changes in autonomic, endocrine and behavioral responses in order to maintain homeostasis. Feeding ...
... Temperature regulation is an excellent example of a servo-control mechanism operating in the hypothalamus. The hypothalamus is sensitive both to hypothalamic and peripheral temperature, and it mediates changes in autonomic, endocrine and behavioral responses in order to maintain homeostasis. Feeding ...
Parts of the Nervous System
... Axon – Long extension of a neuron that carries nerve impulses away from the body of the cell. Axon Terminals - The hair-like ends of the axon Cell Body/Soma - The cell body of the neuron; it contains the nucleus Dendrites - The branching structure of a neuron that receives messages on the Soma. Myel ...
... Axon – Long extension of a neuron that carries nerve impulses away from the body of the cell. Axon Terminals - The hair-like ends of the axon Cell Body/Soma - The cell body of the neuron; it contains the nucleus Dendrites - The branching structure of a neuron that receives messages on the Soma. Myel ...
Articular Receptors
... muscle spindles: primary (Ia) and secondary (II). Primary endings are typically seen in virtually all intrafusal fibers. Secondary endings are seen in CF and in static BF, but not in dynamic BF. ...
... muscle spindles: primary (Ia) and secondary (II). Primary endings are typically seen in virtually all intrafusal fibers. Secondary endings are seen in CF and in static BF, but not in dynamic BF. ...
Ganglioglioma of the Neurohypophysis
... bodies were noted. Alpha synuclein stains were negative. Microsections through the paraventricular and supraoptic nuclei showed all but one, a markedly gliotic paraventricular nucleus, to be histologically normal. ...
... bodies were noted. Alpha synuclein stains were negative. Microsections through the paraventricular and supraoptic nuclei showed all but one, a markedly gliotic paraventricular nucleus, to be histologically normal. ...
Vocal communication between male Xenopus laevis
... substance or cytoplasmic RNA (Nissl stains include cresyl violet and neutral red). Slide 17 This is a transverse section through a song bird forebrain that has been stained with cresyl violet. Each individual purple dot is a cell. Some groups of cells cluster together and stain similarly. These clus ...
... substance or cytoplasmic RNA (Nissl stains include cresyl violet and neutral red). Slide 17 This is a transverse section through a song bird forebrain that has been stained with cresyl violet. Each individual purple dot is a cell. Some groups of cells cluster together and stain similarly. These clus ...