Definition of endoderm in English:

endoderm

noun ˈɛndə(ʊ)dəːmˈɛndəˌdərm

mass nounEmbryology Zoology

The innermost layer of cells or tissue of an embryo in early development, or the parts derived from this, which include the lining of the gut and associated structures.
〔动，胚〕内胚层。比较ECTODERM 和MESODERM
Compare with ectoderm and mesoderm
Example sentencesExamples
- Other asymmetric anatomical features - such as placement of the heart and liver - are products of different layers, the mesoderm and endoderm.
- In this tissue, therefore, the fate of some of the cells has been changed from prospective gut endoderm to mesoderm and ectoderm.
- These cells, usually seen as being mesodermal, apparently represent another cell line originating from endoderm.
- At a tissue level, an adult hydra is essentially a tube composed of two tissue layers, the ectoderm and the endoderm, which extend throughout the animal.
- In addition, they act as messengers, bearing molecular orders to the mesoderm and endoderm which they contact on arrival.

Derivatives

endodermal

adjectiveɛnˈdəːm(ə)l

Embryology Zoology

We still consider this a benign tumor because no endodermal sinus components were evident.
Example sentencesExamples
- Neither ectodermal nor endodermal components were identified in the sections examined.
- Examination of the surgical specimen revealed findings characteristic of endodermal sinus tumor.
- The most interesting and most perplexing question is how ectodermal glands can be derived from what has been thought to be endodermal and mesodermal derivatives.
- The tumor demonstrated predominantly mature ectodermal, mesodermal, and endodermal elements.

Origin

Mid 19th century: from endo- 'within' + Greek derma 'skin'.

Definition of endoderm in US English:

endoderm

(also entoderm)

nounˈendəˌdərmˈɛndəˌdərm

Embryology Zoology

The innermost layer of cells or tissue of an embryo in early development, or the parts derived from this, which include the lining of the gut and associated structures.
〔动，胚〕内胚层。比较ECTODERM 和MESODERM
Compare with ectoderm and mesoderm
Example sentencesExamples
- These cells, usually seen as being mesodermal, apparently represent another cell line originating from endoderm.
- In this tissue, therefore, the fate of some of the cells has been changed from prospective gut endoderm to mesoderm and ectoderm.
- At a tissue level, an adult hydra is essentially a tube composed of two tissue layers, the ectoderm and the endoderm, which extend throughout the animal.
- In addition, they act as messengers, bearing molecular orders to the mesoderm and endoderm which they contact on arrival.
- Other asymmetric anatomical features - such as placement of the heart and liver - are products of different layers, the mesoderm and endoderm.

Origin

Mid 19th century: from endo- ‘within’ + Greek derma ‘skin’.

词汇	endoderm
释义	Definition of endoderm in English: endoderm noun ˈɛndə(ʊ)dəːmˈɛndəˌdərm mass nounEmbryology Zoology The innermost layer of cells or tissue of an embryo in early development, or the parts derived from this, which include the lining of the gut and associated structures. 〔动，胚〕内胚层。比较ECTODERM 和MESODERM Compare with ectoderm and mesoderm Example sentencesExamples Other asymmetric anatomical features - such as placement of the heart and liver - are products of different layers, the mesoderm and endoderm. In this tissue, therefore, the fate of some of the cells has been changed from prospective gut endoderm to mesoderm and ectoderm. These cells, usually seen as being mesodermal, apparently represent another cell line originating from endoderm. At a tissue level, an adult hydra is essentially a tube composed of two tissue layers, the ectoderm and the endoderm, which extend throughout the animal. In addition, they act as messengers, bearing molecular orders to the mesoderm and endoderm which they contact on arrival. Derivatives endodermal adjectiveɛnˈdəːm(ə)l Embryology Zoology We still consider this a benign tumor because no endodermal sinus components were evident. Example sentencesExamples Neither ectodermal nor endodermal components were identified in the sections examined. Examination of the surgical specimen revealed findings characteristic of endodermal sinus tumor. The most interesting and most perplexing question is how ectodermal glands can be derived from what has been thought to be endodermal and mesodermal derivatives. The tumor demonstrated predominantly mature ectodermal, mesodermal, and endodermal elements. Origin Mid 19th century: from endo- 'within' + Greek derma 'skin'. Definition of endoderm in US English: endoderm (also entoderm) nounˈendəˌdərmˈɛndəˌdərm Embryology Zoology The innermost layer of cells or tissue of an embryo in early development, or the parts derived from this, which include the lining of the gut and associated structures. 〔动，胚〕内胚层。比较ECTODERM 和MESODERM Compare with ectoderm and mesoderm Example sentencesExamples These cells, usually seen as being mesodermal, apparently represent another cell line originating from endoderm. In this tissue, therefore, the fate of some of the cells has been changed from prospective gut endoderm to mesoderm and ectoderm. At a tissue level, an adult hydra is essentially a tube composed of two tissue layers, the ectoderm and the endoderm, which extend throughout the animal. In addition, they act as messengers, bearing molecular orders to the mesoderm and endoderm which they contact on arrival. Other asymmetric anatomical features - such as placement of the heart and liver - are products of different layers, the mesoderm and endoderm. Origin Mid 19th century: from endo- ‘within’ + Greek derma ‘skin’.
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