• Study Resource
  • Explore
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
Document
Document

... • Named for histologist that first described them or their appearance •Purkinje = cerebellum •Renshaw = spinal cord ...
nervous system - Zanichelli online per la scuola
nervous system - Zanichelli online per la scuola

... Structure of the nervous system The central nervous system (CNS) includes: • the brain; • the spinal cord. The peripheral nervous system (PNS) is formed by: • ganglia; • nerves. Neurons are the cellular units of the nervous system. They are electrically excitable cells, specialized in generating an ...
The Biology of Mind 2011-12
The Biology of Mind 2011-12

... Structure of the Cortex Each brain hemisphere is divided into four lobes that are separated by prominent fissures. These lobes are the frontal lobe (forehead), parietal lobe (top to rear head), occipital lobe (back head) and temporal lobe (side of ...
Study Guide for The Spinal Cord – Chapter 8, Part B Be familiar with
Study Guide for The Spinal Cord – Chapter 8, Part B Be familiar with

... reflex arc, motor neuron (fiber), nerve, nucleus (CNS), perineurium, peripheral nervous system, pia mater, reflex arc, sensory neuron (fiber), sensory receptor, spinal nerve (which is both motor and sensory), stretch receptor, subarachnoid space, ventral (anterior) gray horn, ventral root (which con ...
autonomic nervous system
autonomic nervous system

... nerve fibers secrete mainly one or the other of two synaptic transmitter substances, acetylcholine or norepinephrine. • All preganglionic neurons are cholinergic in both the sympathetic or parasympathetic nervous systems. Therefore, acetylcholine or acetylcholine-like substance, applied to the gangl ...
AP Practice unit 3 and 4
AP Practice unit 3 and 4

... B) damage to a specific area in the left frontal lobe disrupted speech ability. C) body areas requiring the greatest control occupied the greatest amount of cortical space. D) if one part of the brain is damaged, the brain will compensate by putting other areas to work. E) our brain processes most i ...
Rising blood glucose level - Grosse Pointe Public School System
Rising blood glucose level - Grosse Pointe Public School System

... association area ...
An Introduction to the ANS and Higher
An Introduction to the ANS and Higher

... • Cervical, inferior lumbar, and sacral sympathetic chain ganglia Chain ganglia provide postganglionic fibers • Through gray rami (unmyelinated postganglionic fibers) • To cervical, lumbar, and sacral spinal nerves Only spinal nerves T1–L2 have white rami Every spinal nerve has gray ramus • That car ...
Nervous System Notes
Nervous System Notes

... MS-LS1-8: Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories. ...
Lecture 13: The Nervous System
Lecture 13: The Nervous System

... Glial cells support neurons and outnumber neurons 9 to 1. There are 4 types of glial cells found in the CNS and 2 found in the PNS. 1. Astrocytes (CNS) A. Most abundant glial cell B. Play a role in forming the blood brain barrier and can form scar tissue in the brain following an injury C. Found ...
An octopaminergic system in the CNS of the snails, Lymnaea
An octopaminergic system in the CNS of the snails, Lymnaea

... percent 1-3 hours after injection. DCDM treatment reduced feeding by 20-60 percent. Additionally, both phentolamine and NC-7 significantly decreased the feeding rate of those animals which still accepted food after 1-6 hours of injection. In the central nervous system a pair of buccal neurons was id ...
Microsoft Word 97
Microsoft Word 97

... pressures and stresses among the muscles and other connective tissues within bodies tend to escape nerve fatigue. Why is it important to organisms that they continue to receive impulses from these two types of receptors? ...
I:\Physio Psych\PSN.shw
I:\Physio Psych\PSN.shw

... The cell bodies that give rise to the axons that bring somatosenory information to the spinal cord reside in the dorsal root ganglia, the round swellings of the dorsal root. The neurons are of the unipolar type. < Axonal stalk divides close to the cell body, < sending one limb into the spinal cord < ...
An octopaminergic system in the CNS of the snails, Lymnaea
An octopaminergic system in the CNS of the snails, Lymnaea

... the neuronal transmission. However, the synaptic connections formed by either OC neurons or N3p interneurons are not identical, as they make different synaptic connections with both motoneurons (B3) and feeding interneurons (N2). CGC: The cerebral, serotonergic CGC neurons excite the OC cells, but t ...
Anatomy and Physiology brain
Anatomy and Physiology brain

... Lobes: Several large grooves (fissures) separate each side of the brain into four distinct regions called lobes: frontal, temporal, parietal, and occipital. Each hemisphere has one of each of these lobes, which generally control function on the opposite side of the body. The different portions of ea ...
9-Lecture1(updated)
9-Lecture1(updated)

... A broad class of models that mimic functioning inside the human brain There are various classes of NN models. They are different from each other depending on  Problem types  Structure of the model  Model building algorithm ...
The Nervous System
The Nervous System

... the nervous system are neurons. They are the basic unit of the system.  In order to understand how they work, you ...
IngesYve Behaviour - Dr. Jeffrey Nicol`s Courses
IngesYve Behaviour - Dr. Jeffrey Nicol`s Courses

... • Lamina  terminalis  contains  two  specialized   circumventricular  organs   ...
Chapter 6
Chapter 6

... Stimulus (physical energy - internal or external) Sensory Receptor (transducer- converts stimulus into AP) Sensory neuron (carries AP along Afferent Pathway to CNS) Destination: CNS Integration Some travel to cerebral cortex for conscious perception Some reach only spinal cord or lower levels of cer ...
NEURAL REGULATION OF BREATHING Section 4, Part A
NEURAL REGULATION OF BREATHING Section 4, Part A

... a. appears to receive and integrate sensory information and to initiate motor response b. receives input from lungs, pharynx,larynx, and peripheral chemoreceptors c. afferent connection d. may be the source of rhythm for breathing e. axons from inspiratory neurons appear to innervate the phernic ner ...
Chapter 12 The Nervous System
Chapter 12 The Nervous System

... 2. A large cerebrum, which is involved in higher mental abilities. ...
200
200

... function? •A Frontal ...
Animal Response to Stimuli
Animal Response to Stimuli

... The spinal nerves of the PNS lead into the spinal cord, through the dorsal root into the back of the cord. Note: - (a) the dorsal root ganglion – this contains cell bodies of sensory neurons. The ventral root comes out the front of the cord, contains motor neurons (cell bodies in grey ...
Chapter 7: The Nervous System
Chapter 7: The Nervous System

... Describe the location, structure, and function of the olfactory and taste receptors. Name the four basic taste sensations and list factors that modify the sense of taste. Developmental Aspects of the Special Senses Describe changes that occur with age in the special sense organs. The Endocrine Syste ...
Modeling and Imagery
Modeling and Imagery

... Intersensory integration and sensory dominance • Overall sense of what is going on dependent on information flowing from many receptors simultaneously • Occasionally they contradict each other • Vision is dominant…can lead to some amusing experiments (and experiences) ...
< 1 ... 159 160 161 162 163 164 165 166 167 ... 274 >

Circumventricular organs

Circumventricular organs (CVOs) are structures in the brain that are characterized by their extensive vasculature and lack of a normal blood brain barrier (BBB). The CVOs allow for the linkage between the central nervous system and peripheral blood flow; additionally they are an integral part of neuroendocrine function. The lack of a blood brain barrier allows the CVOs to act as an alternative route for peptides and hormones in the neural tissue to the peripheral blood stream, while still protecting it from toxic substances. CVOs can be classified into (a) sensory and (b) secretory organs. The sensory organs include the area postrema (AP), the subfornical organ (SFO) and the vascular organ of lamina terminalis. They have the ability to sense plasma molecules and then pass that information into other regions of the brain. Through this, they provide direct information to the autonomic nervous system from the systemic circulation. The secretory organs include the subcommissural organ (SCO), the posterior pituitary, the pineal gland, the median eminence and the intermediate lobe of the pituitary gland. These organs are responsible for secreting hormones and glycoproteins into the peripheral vascular system using feedback from both the brain environment and external stimuli.All of the circumventricular organs, besides the SCO, contain extensive vasculature and fenestrated capillaries which leads to a ‘leaky’ BBB at the site of the organs. Furthermore, all CVOs contain neural tissue, allowing them to play a role in the neuroendocrine system. It is highly debated if the choroid plexus can be included as a CVO. It has a high concentration of fenestrated capillaries, but its lack of neural tissue and its primary role of producing cerebrospinal fluid (CSF) usually excludes the choroid plexus from the CVO classification.Research has also linked CVOs to body fluid regulation, cardiovascular functions, immune responses, thirst, feeding behavior and reproductive behavior.
  • studyres.com © 2025
  • DMCA
  • Privacy
  • Terms
  • Report