Medical term:

hypoblast

endoderm

[en´do-derm]

the innermost of the three primary germ layers of the embryo; from it are derived the epithelium of the pharynx, respiratory tract (except the nose), digestive tract, bladder, and urethra. Called also endoblast, entoderm, entoblast, and hypoblast.

hy·po·blast

(hī'pō-blast),

Cell layer adjacent to the yolk sac cavity and subjacent to the epiblast of a bilayered embryo.

[hypo- + G. blastos, germ]

Farlex Partner Medical Dictionary © Farlex 2012

hypoblast

(hī′pə-blăst′)

See endoderm.

hy′po·blas′tic adj.

en·do·derm

(en'dō-dĕrm)

The innermost of the three primary germ layers of the embryo (ectoderm, mesoderm, endoderm); from it are derived the epithelial lining of the primordial gut and the epithelial component of the glands and other structures (e.g., lower respiratory system) that develop as outgrowths from the gut tube.
Synonym(s): entoderm, hypoblast.

[endo- + G. derma, skin]

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

hypoblast

the innermost germ layer in a GASTRULA.

Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

hy·po·blas·tic

(hī'pō-blas'tik),

Relating to or derived from the hypoblast.

hy·po·blas·tic

(hī'pō-blas'tik)

Relating to or derived from the hypoblast.

hypoblast

(hī′pŏ-blast″) [ hypo- + -blast]

The inner cell layer between the cell mass and cavity of the blastocyst. This layer becomes the endoderm, which develops into the respiratory and digestive tracts.

hypoblastic (hī″pŏ-blas′tik), adjective

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