Thursday, November 28, 2019

Teratoma

Mature cystic teratoma

An ovary (more specifically, an ovum) trying to make a (?haploid) human on its own (without a spermatocyte). And gets quite far in the process.

Bronchial epithelium, cartilage, mucosal glands (lungs)

Bronchi, cartilage, mucinous glands

Bronchial mucosa, cartilage and glands (lungs)

Mucinous columnar epithelium (? lungs)

Normal ovarian corpus luteum and stroma

Squamoid fragments (? mouth, maybe tooth)

Thyroid ('struma ovarii') , surrounding a cartilage

Neurons with synapses

Neurons

Thyroid

Thyroid with columnar epithelial lining

Eosinophilic endocrine glands (? adrenal)

Intestinal looking glands

Deep staining endocrine glands
Haploid organisms are quite common through evolution; https://www.cell.com/developmental-cell/pdf/S1534-5807(17)30345-3.pdf 

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