Fig. 2: Tissue sampling. | Nature

Fig. 2: Tissue sampling.

From: The Somatic Mosaicism across Human Tissues Network

Fig. 2

Overview of sampling from 19 primary tissue sites, spanning three developmental germ layers (endoderm, mesoderm and ectoderm) and germ cells. Although organs represent a mixture of cells derived from the germ layers (for example, skin epidermis (ectoderm) versus dermis (mesoderm), and adrenal gland medulla (ectoderm) versus cortex (mesoderm)), we have indicated the major germ layer represented by each organ. Gonads represent germ cells and their supportive structures (mesoderm), whereas buccal swabs are variable mixtures of germ layers (mesoderm and ectoderm).

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