Test 2 Version B Flashcards
Induction of ventromedial portion of the somite to become sclerotome is caused by
SHH
- Listed below cells are neural crest derivatives, except:
Osteocytes
Dermatomyotom region of the somite is marked by
PAX3
Holt-oram syndrome is caused by mutation in the gene:
TBX5
Trisomy 18 causes:
Edwards syndrome
In the human embryonic development occurs
Blastocyte
If the neural tube fails to close in the cranial region, the defect is called:
Anencephaly
Urogenital structures develop from:
Intermediate mesoderm
Respiratory distress syndrome develops as a result of:
Deficiency of surfactant
Indicate the homeobox-containing transcription factor responsible for establishing left-sideness of the embryo
PITX2
In the scheme of primary ovary follicle with the arrow is indicated:
Theca interna- points into the white line(inner membrane)
Epithelial lining of the primitive gut develops from:
Endoderm
Indicate the inhibitor of BMP in the process of neural induction:
Chordin
In the process of pancreas development, SHH expression in the gut endoderm destined to form the dorsal pancreatic bud is repressed by:
FGF2
Indicate the transcription factor promoting crest cell migration from the neuroectoderm:
SLUG
In the kidney development, the process of branching and growth of the uretic buds is stimulated by
HGF
Indicate gene important for designating the forebrain and midbrain:
LIM1
or OTX2 (Version A)
Disease being an example of trinucleotide repeat disorders:
Fragile x syndrome
Indicate a primary brain vesicle:
Mesencephalon
Development of the cerebellum is regulated by:
EN2
Apert syndrome is caused by mutation in the gene:
FGFR2
Indicate receptors for WNT proteins (WNT signaling pathway);
Frizzled family of proteins
In the process of spermatogenesis, in the result of meiosis 1 are formed:
Secondary spermatocytes
In the kidney development, conversion of the mesenchyme to an epithelium for nephron formation is regulated by:
Nodal
Indicate the transcription factor specifying the esophagus and stomach (inducing development of esophagus and stomach):
SOX2
Human morula consist of:
16 cells
Polysperm is prevented by:
Cortical reactions
Indicate disease developing when neural crest cells fail to migrate
Congenital megacolon
A condition in which transposition of the viscera in the thorax and abdomen occurs, called:
Situs inversus
In the diagram are shown changes in a hormone concentration in peripheral blood during the menstrual cycle. This hormone is:
FSH