bio and histo Flashcards
Klinefelter’s syndrome
47 (XXY); 1 barr body; 1 drumstick; affects only males; tall gynecomastia
turners syndrome
45 (XO); No barr body; affects only females; webbed neck, ‘sphinx’ neck
trisomy X
47 (XXX); 2 barr bodies
X-chromosome polysomia; super female
Downs syndrome
trisomy 21
Edwards syndrome
trisomy 18
patau syndrome
trisomy 13
DiGeorge syndrome
chromosome 22 (22q11)
Cri du Chat
chromosome 5p
mosaicism
46 (XY); 47 (XXY)
Recessive epistasis
w o m a n O , c h i l d A B ,
husbandAblood group
0%
Phenylketonuria recessive gene
100%
Hypertrychosis of auricles; Y-chromosome
Dominated X linked
5 children, 3 girls and 2 boys;
all girls inherited their father’s disease
True Hermaphroditism
both male and female
gonads are revealed
Pleiotrophy
Marfan’s syndrome and Hartnup
disease
Phenocopy
hirsutism resembling adrenal
syndrome; Rubella
Metaphase
equatorial plane; fully condensed
chromosomes; in this phase we study the cell’s
karyotype
Metaphase of second division
haploid number
of chromosomes
nucleosome
8 histone proteins and a part of DNA molecule
karakurt spider
4 pairs of segmented extremities; two rows of red dots
anopheles
malaria
Bug bites
sleeping sickness
Epidemic typhus
lice
Inversion
turned 180 degree
Desmosome
electron dense substance
Periosteum
regeneration of bone tissue
Basal
regeneration of bronchial epithelium
Satellite, Myosatellite cells
regeneration (muscle
regeneration)
SCHWANN CELLS
regeneration of nerve cells
LIVER
central vein; portal triad (artery, vein and
excretory duct)
Spleen
central artery
Nonmuscular vein or vein of non-muscular type:
no tunica media (doesn’t have tunica media)