mesoderm


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Related to mesoderm: Splanchnic mesoderm, extraembryonic mesoderm, Paraxial mesoderm

mesoderm

 [mez´o-derm]
the middle of the three primary germ layers of the embryo, lying between the ectoderm and entoderm; from it are derived the connective tissue, bone, cartilage, muscle, blood and blood vessels, lymphatics, lymphoid organs, notochord, pleura, pericardium, peritoneum, kidneys, and gonads. adj., adj mesoder´mal, mesoder´mic.
somatic mesoderm the outer layer of the developing mesoderm.
splanchnic mesoderm the inner layer of the developing mesoderm.

mes·o·derm

(mez'ō-derm),
The middle of the three primary germ layers of the embryo (the others being ectoderm and endoderm); mesoderm is the origin of connective tissues, myoblasts, blood, the cardiovascular and lymphatic systems, most of the urogenital system, and the lining of the pericardial, pleural, and peritoneal cavities.
[meso- + G. derma, skin]

mesoderm

/meso·derm/ (mez´o-derm) the middle of the three primary germ layers of the embryo, lying between the ectoderm and endoderm; from it are derived the connective tissue, bone, cartilage, muscle, blood and blood vessels, lymphatics, lymphoid organs, notochord, pleura, pericardium, peritoneum, kidneys, and gonads.mesoder´malmesoder´mic

mesoderm

(mĕz′ə-dûrm′, mĕs′-)
n.
The middle embryonic germ layer, lying between the ectoderm and the endoderm, from which connective tissue, muscle, bone, and the urogenital and circulatory systems develop.

mes′o·der′mal, mes′o·der′mic adj.

mesoderm

[mes′ōdurm]
Etymology: Gk, mesos + derma, skin
(in embryology) the middle of the three cell layers of the developing embryo. It lies between the ectoderm and the endoderm. Bone, connective tissue, muscle, blood, vascular and lymphatic tissue, and the pleurae of the pericardium and peritoneum are all derived from the mesoderm.

mes·o·derm

(mez'ō-dĕrm)
The middle of the three primary germ layers of the embryo (the others being ectoderm and endoderm); mesoderm is the origin of all connective tissues, all musculature, blood, cardiovascular and lymphatic systems, most of the urogenital system, and the lining of the pericardial, pleural, and peritoneal cavities.
Synonym(s): mesoblast.
[G. meso- middle + G. derma, skin]

mesoderm

The intermediate of the three primary germ layers of the developing embryo, lying between the outer ECTODERM and the inner ENDODERM. Mesoderm develops into the bones and muscles, the heart and blood vessels and most of the reproductive system.

mesoderm

the layer of embryonic cells lying between ECTODERM and ENDODERM in all higher animals (all METAZOA except COELENTERATES) giving rise to muscle, the blood system, connective tissues, the kidney, the dermis of the skin and the axial skeleton. The mesoderm is often split into two layers with the COELOM in between.

mesoderm

middle of the three embryonic primary germ layers; gives origin to all connective tissues

mesoderm

One of the three primary germinal layers of an embryo from which the eye is derived. It eventually forms the extraocular muscles and the orbital and ocular vasculature. See ectoderm.

mes·o·derm

(mez'ō-dĕrm)
Middle of three primary germ layers of embryo (the others being ectoderm and endoderm).
[G. meso- middle + G. derma, skin]

mesoderm,

n the middle of the three cell layers of the developing embryo. It lies between the ectoderm and the endoderm. Bone, connective tissue, muscle, blood, vascular and lymphatic tissue, and the pleurae of the pericardium and peritoneum are all derived from the mesoderm.

mesoderm

the middle of the three primary germ layers of the embryo, lying between the ectoderm and entoderm; from it are derived the connective tissue, bone, cartilage, muscle, blood and blood vessels, lymphatics, lymphoid organs, notochord, pleura, pericardium, peritoneum, kidneys and gonads.

extraembryonic mesoderm
located outside the developing embryo and forming its accessory organs.
paraxial mesoderm
adjacent to the mid line beneath the epiblast of the embryo which develop into somites.
somatic mesoderm
the outer layer of the developing mesoderm.
splanchnic mesoderm
the inner layer of the developing mesoderm.
References in periodicals archive ?
These transcription factors activate repressed pattern of gene expression like GATA binding transcription factor 4/6 (GATA4/6) and caudal type homeobox 2 (CDX), which mediate phenotypic changes toward endoderm during stem cell differentiation, and repress activated pattern of gene expression for differentiation to mesoderm and ectoderm like T-box transcription factor 3 (TBX3) and estrogen-related receptor beta (ESRRB) (Boyer et al.
After closure, the neuro-ectoderm separates from the cutaneous ectoderm (dysjunction), and the space between is filled by mesoderm.
In between, no fin/limb initiation takes place, because the two mesoderm layers maintain a narrower separation and, the authors propose, interact with the developing gut.
Control and TCDD-treated EBs show colocalization of AHR with GATA4 and MF20, and to a much lesser extent with keratin-18 (Figure 1B), suggesting that mesoderm and endoderm are the earliest cell lineages to express AHR.
2] Human genes: H19, H19, imprinted maternally expressed transcript (non-protein coding); KCNQ10T1, KCNQ1 opposite strand/antisense transcript 1 (non-protein coding); MEST, mesoderm specific transcript; GNAS, GNAS complex locus; ST0X1, storkhead box 1.
Human BMMSCs are a type of multipotent stem cell that possess the potential to differentiate into many cell types that are derived from the mesoderm, such as osteoblasts (18), myocytes (19), and cardiomyocytes (20).
Topics include engineering the pluripotent stem cell niche for directed mesoderm differentiation, cell mechanobiology in regenerative medicine, systems-engineering principles in signal transduction and cell-fate choice, biomaterial scaffolds for human embryonic stem cell culture and differentiation, stem cells and regenerative medicine in the nervous system, stem cells and regenerative medicine for treating damaged myocardium, synthetic biomaterials and stem cells for connective tissue engineering, and derivation and expansion of human pluripotent stem cells.
Sarcomas are malignancies derived from the mesoderm.
In addition to this, several studies conducted on MSCs reported that these cells are capable to differentiation into cardiomyocytes, neurons, and astrocytes in vitro and in vivo in addition to the mesoderm lineage (8, 9, 10).
The limb bud originates from the migration of the mesoderm onto the overlying ectoderm on the ventrolateral aspect of the embryo.
The tympanic membrane is formed by the fusion of three embryologic layers: the endoderm, the mesoderm, and the ectoderm.
The histopathological examination revealed that the tumor included structures derived from all 3 germ cell layers: ectoderm, mesoderm, and endoderm (eg, cartilaginous, osseous, hematopoietic, fibrous, nervous, glandular, squamous epithelial, and smooth muscle tissues).