Cytotrophoblast

Cytotrophoblast
Cytotrophoblast
Gray36.png
Primary chorionic villi. Diagrammatic.
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Secondary chorionic villi. Diagrammatic.
Latin cytotrophoblastus
Gray's subject #6 47
Carnegie stage 5a
Days 8
Code TE E6.0.1.1.4.0.5
MeSH Trophoblasts

The cytotrophoblast (or layer of Langhans) is the inner layer of the trophoblast, interior to the syncytiotrophoblast in an embryo.

Cytotrophoblast is considered to be the trophoblastic stem cell; it differentiates into the other forms of trophoblastic tissue (intermediate trophoblast and syncytiotrophoblast).[1]

Additional images

  • Section through embryonic area of Vespertilio murinus to show the formation of the amniotic cavity.

References

  1. ^ Shih IM, Kurman RJ (January 2001). "The pathology of intermediate trophoblastic tumors and tumor-like lesions". Int. J. Gynecol. Pathol. 20 (1): 31–47. PMID 11192071. 

External links

v · TE E6.0)
Embryonic adnexa

Trophoblast (Cytotrophoblast, Syncytiotrophoblast, Intermediate trophoblast)

Allantois

Decidua (Decidual cells)

Chorionic villi/Intervillous space · Amnion/Amniotic sac/Amniotic cavity

rostral embryonic ligament · caudal embryonic ligament
Fetal membranes
Circulatory
Ungrouped

M: OBS

phys/devp/memb

mthr/fetu/infc, epon

proc, drug(2A/G2C)

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Look at other dictionaries:

  • cytotrophoblast — [sīt΄ō träf′ō blast΄] n. 〚 CYTO + TROPHOBLAST〛 the thickened, inner part of the mammalian placenta nearest to the fetus, covering the chorion during early pregnancy * * * …   Universalium

  • cytotrophoblast — [sīt΄ō träf′ō blast΄] n. [ CYTO + TROPHOBLAST] the thickened, inner part of the mammalian placenta nearest to the fetus, covering the chorion during early pregnancy …   English World dictionary

  • cytotrophoblast — noun The inner layer of the trophoblast. Syn: layer of Langhans …   Wiktionary

  • cytotrophoblast — The inner layer of the trophoblast. SYN: Langhans layer. * * * cy·to·tro·pho·blast .sīt ə trō fə .blast n the inner cellular layer of the trophoblast of an embryonic placental mammal that gives rise to the plasmodial syncytiotrophoblast covering… …   Medical dictionary

  • cytotrophoblast — n. layer of the placenta closest to the fetus (Embryology) …   English contemporary dictionary

  • cytotrophoblast — cy·to·trophoblast …   English syllables

  • cytotrophoblast — n. the part of a trophoblast that retains its cellular structure and does not invade the maternal tissues. It forms the outer surface of the chorion …   The new mediacal dictionary

  • cytotrophoblast — …   Useful english dictionary

  • Цитотрофобласт (Cytotrophoblast) — внутренняя часть трофобласта, которая сохраняет его клеточное строение и не проникает в ткань матки. Примерно к середине третьего месяца внутриутробного развития цитотрофобласт исчезает (ред.). Источник: Медицинский словарь …   Медицинские термины

  • Langhans layer — cytotrophoblast …   Medical dictionary

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