Embryology 2018 Flashcards
Syndacytyly, micrognathia
Trisomy 18
Webbed neck
Turner Syndrome / XO
Product of spermiogenesis
Sperm
Whitish fatty substance
Vernix Caseosa
Heuser’s + hypoblast
Exocoelemic Cavity
Increase Basal Body Temperature is due to what hormone
Progesterone
Prevents degeneration of corpus luteum
hCG
Primodial germ cell that appear in the
Wall of the Yolk Sac
Maternal capillaries
Sinusoids
During implantation, the blastocyst is embedded in the
Endometrium
Multiple fusion in the upper part of the sperm
Cortical Reaction
endometrial phase is day 24
Luteal
Normal menstrual cycle
25-32 days
Cervical mucus-
ovulation
True or False: hCG for radioimmunoassay, basis for pregnancy test
TRUE
True or False: At third month, head is 1/2 the CRL.
TRUE
True or False: Baer is the father of modern embryology.
TRUE
True or False: Chorionic villus sampling has higher risk than amniocentesis.
TRUE
True or False: Ultrasonography is a safe technique perform during pregnancy.
TRUE
True or False: Viral infection causes intrauterine growth retardation.
TRUE
True or False: Undergo resting stage before metaphase.
TRUE
True or False: Amniocentesis - chromosomal abnormalities.
FALSE
The spinal and autonomic ganglion, cranial nerves, and the meninges arise from
Neural Crest
Develop from ectoderm layer
Enamel of the teeth
Develop from endoderm layer
Epithelial lining of urethra
Develop from mesoderm layer
Clavicle
TRUE OR FALSE: Father of modern embryology is Baer
True
Embryonic period
formation of Organ systems
Release substance
Acrosomal reaction
High temperature
Progrsterone phase
Implantation of blastocyst
Endometrium
Heussers
Exocaleomic cavity
Sinusoids
Exocaleomic cavity
Sinusoids
blood vessels
nuclear division
Meiosis
Turners syndrome
Webbed neck - XO chromosome
Edward syndrome
Flexion of fingers
Primitive germ cell
at Wall of yolk sac
TRUE or FALSE: Higher risk on chorionic villus than amniocentesis
TRUE
TRUE or FALSE: High defects during fetal period
FALSE
TRUE or FALSE: Menstrual at 28 days. Pregnancy can happen during this day.
TRUE
TRUE or FALSE: HCG test is produced by syncitio, a radioummunoassay for pregnancy testing
TRUE
TRUE or FALSE: Hydatid mole has little or no embryonic tissue
TRUE
Enamel of teeth
Ectoderm
Melanocytes
Neural crest
Epithelial lining
Endoderm
TRUE or FALSE: Crown heel length is from head to butt
FALSE
Vernix caseosa
whitish substance
First test tube baby in the world is from
England
Menstrual period
15 to 18 days
Father of Modern Embryology
Baer
Primordial germ cell appear in the walk of the yolk sac
4th week:
Ameboid movement to the developing gonads
5th week:
sex of the baby determination
Moment of fertilization:
Crossing Over:
Meiosis
solid mass, 16th day cell
morula
prevent polyspermy
Zona pellucida
digestion of acrosome for the fusion of egg and sperm
Acrosomal reaction
where fertilization happens
Ampulla of salpynx
organogenesis is completed
1st trimester
Simean Crease
Trisomy 21/Down syndrome
completed only if oocyte is fertilized
Meiosis
formation of trilaminar disc
3rd week:
most characteristic event during the 3rd week
Gastrulation
formed from cells remaining in the epiblast
formed from cells remaining in the epiblast
formed by hypoblast
Endoderm
lie between epiblast and endoderm
Mesoderm
source of all 3 germ layers of the embryo
Epiblast
Normal cycle, sexual activity on the 26th day, can a woman be pregnant?-
No
Basal body temperature hormone
Estrogen
Haploid nuclei fuse in
fertilization
Mental retardation, Syndactyly, flexion of fingers
Trisomy 18
Number of days for implantation
7 days
The formation of corpus lute from mature Graafian follicle-
Luteinization
Implantation of blastocyst
Endometrium
Degeneration of Graafian follicle
Atrecia
On the 6th day, progesterone is ____ than 26th day
Lesser than
Appearance of multiple fusion permitting release of acrosomal content
acrosomal reaction
Nucleus of gametes-
pronucleus
Webbed neck
XO (Turners)
