An Observation of Somatic Chromosomes from Spider Embryo-cells

Somatic Chromosomes of Long-Eared Desert Hedgehog Hemiechinus auritus

I-31: Reconstruction of Human Endometrium from Somatic Stem Cells

s:3115:"Background: During reproductive life, the human endometrium undergoes around 500 cycles of growth, breakdown and regeneration. This outstanding regenerative capability is the basis for cyclic endometrial preparation and its dysfunction is involved in pathological disorders. Endometrial regeneration is mediated by the existence of a specialized endometrial stem cell (SC) population recen...

Subpopulation of proepicardial cells is derived from the somatic mesoderm in the chick embryo.

RATIONALE The proepicardium (PE) is a transient structure forming at the venous pole of the heart and gives rise to the epicardium, fibroblasts, and smooth muscle cells. The embryological origin of the PE is presently unclear. Asymmetrical formation of the PE on the right inflow tract is a conserved feature of many vertebrate embryos, and in the chicken is under the control of fibroblast growth...

The Somatic Chromosomes of Sophora jernandeziana ( Fabaceae ) , an Endemic Tree from Robinson Crusoe Island 1

The mitotic chromosome number and karyotype of Sophora fernandeziana (Phil.) Skottsb. (subfamily Papilionoideae) are reported for the first time. The chromosome number, 2n = 18, is the modal number reported for the genus. The chromosomes are small (average length 1.55 ± 0.23 J.1m) and bear no satellites. The intrachromosomal and interchromosomal asymmetry indices were AI = 0.26 and A2 = 0.18, r...

An Embryo Staging System for Comparison of Zygotic and Somatic Embryo Development

An embryo classification system has been developed based on observations of Pseudotsuga menziesii (Mirb.) Franco (Douglas-fir) and Pinus taeda L. (loblolly pine) zygotic embryos and on the literature concerning embryology within the pine family. This system is suitable for classification of both zygotic and somatic embryos of loblolly pine, Picea abies L. (Norway spruce), and Douglas-fir. This ...