stratum spongiosum

noun

stratum spon·gi·o·sum -ˌspən-jē-ˈō-səm

plural strata spongiosa -sə

: the middle layer of the endometrium between the stratum basale and stratum compactum that contains dilated and tortuous portions of the uterine glands

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“Stratum spongiosum.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/stratum%20spongiosum. Accessed 8 Jul. 2026.

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