Circulation

Card Set Information

Author:
meddoc
ID:
245561
Filename:
Circulation
Updated:
2013-11-06 21:41:30
Tags:
medicine circulation blood heart
Folders:

Description:
cardiac block c
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  1. describe the broad process of the heart formation
    one tube, than 2 tubes that fuses to become a four chambered tube with septa and valves
  2. what is the prevalence of heart anomalies caused by embryo defects
    .7-.8 % (1%)
  3. what are the two leading cause of death in the neonatal phase^
    • 1. prematurity
    • 2. congenital heart disease
  4. tell me about the nkx2 gene
    • - knock out = no heart (tin man gene)
    • - fundamental for heart dev.
  5. 4 diseases connected to genetic mutation leading in heart development defect
    trisomie 21 (down's), tris. 18 (edwards), turners, tris 22 (digeorge)
  6. environmental factors for heart malformation in embryo
    measles, diabetes, rubella, vit A disturbances
  7. what happened on day 14 of heart formation
    gastrulation
  8. tell me more about hemangioblast-epithelia
    • - mother or all blood cells
    • - mesodermal region
    • - begins gastrulation
  9. in embryo, what day the first heart beat
    21
  10. what is "ready" by day 21 of the heart dev.
    • the two endocardial tubes have folded in pericardial cavity
    • whole network of vessels developed
    • first heartbeat
    • heart begins pumping
  11. what are the two folds of the endocardial tube
    • dorsal
    • bulboventricular

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