c7 - structura sistemului nervos: neuroanatomie Flashcards

(14 cards)

1
Q

Referinte anatomice (6)

A
  1. anterior/ rostal(spre cap)
  2. posterior/ caudal (spre coada)
  3. dorsal (in sus)
  4. ventral (in jos)
  5. mediale (mai aproape de linia mediala)
  6. laterale (mai departe de linia mediala)
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2
Q

SNC (4)

A
  1. cerebrum (creierul mare)
  2. cerebel (centru de control al miscarilor)
  3. trunchiul cerebral (regleaza functiile vitale)
  4. maduva spinarii (nervi spinali: radacina dorsala, radacina ventrala)
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3
Q

SNP (4)

A
  1. somatic (ganglionii radacinii dorsale): inverveaza pielea, articulatiile, muschii - sub control voluntar
  2. visceral/ sistemul nervos autonom (SNA): inerveaza organele interne, vasele de sange, glandele, muschii netezi - in afara controlului voluntar
  3. axonii aferenti (“transporta inspre”)
  4. axonii eferenti (“transporta de la”)
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4
Q

Organizare generala

A
  1. nervii cranieni (12 din trunchiul cerebral)
  2. meninge (“membrana”): protejeaza creierul (dura mater, membrana arahnoida, pia mater + lichid cefalorahidian)
  3. sistemul ventricular ( ventriculii cerebrali, plexul coroidian)
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5
Q

Vesicule cerebrale primare (3)

A
  1. prozencefal (creierul anterior)
  2. mezencefal (creierul mijlociu)
  3. rombencefal (creierul posterior)
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6
Q

Prozencefal/ creierul anterior (3)

A
  1. vezicule optice (nervii optici si retina)
  2. telencefal (2 emisfere cerebrale + bulbi olfactivi, nucleii bazali)
  3. diencefal (talamus si hipotalamus)
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7
Q

Sisteme de materie alba (3)

A
  1. substanta alba corticala
  2. corp calos
  3. capsula interna
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8
Q

Relaatiile structura-functie ale creierului anterior (3)

A
  1. cortex cerebral: analizeaza mesajele senzoriale si comanda raspunsul motor
  2. talamus: poarta ce acces catre cortex
  3. hipotalamusul: controleaza sistemul nervos visceral
    axonii de la cortex la talamus trec prin capsula interna si vice versa
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9
Q

Mezencefalul (creierul mijlociu) (3)

A
  1. tectum
  2. tegmentum
  3. apeduct cerebral (umplut cu LCR)
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10
Q

Relatiile structura-functie ale creierului mijlociu

A

tectum & tegmentum: conduce informatii de la maduva spinarii la creierul anterior si invers, sisteme senzoriale, controlul miscarilor;
axoni care coboara din cortex catre trunchiul cerebral si maduva spinarii

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11
Q

Rombencefal/ creierul posterior (3)

A

metencefal (creierul posterior rostal):
1. cerebel
2. puntea lui Varolio
mielencefal (creierul posterior caudal)
3. bulbul rahidian (medulla)

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12
Q

Relatii structura-functie ale creierului posterior

A
  1. cerebel: controlul miscarii
  2. puntea: conecteaza cortexul cerebral de cerebel
  3. bulbul rahidian (medulla):
    nuclei cohleari: proiecteaza axonii catre diferite structuri
    neuronii care transmit informatii senzoriale somatice de la maduva spinarii la talamus
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13
Q

Maduva spinarii (3)

A
  1. tub neural caudal (LCR)
  2. materie alba (coloane de axoni: dorsal, lateral, ventral)
  3. substanta cenusie (corn dorsal, corn ventral si zona intermediara)
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14
Q

Relatiile structura-functie ale maduvei spinarii

A

materie cenusie: analiza informatiilor senzoriale, coordonarea miscarilor, reflexe simple
coloana dorsala: informatii somatice senzoriale
coloana laterala: semnal pentru miscare voluntara

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