[per-i-durm] /ˈpɛr ɪˌdɜrm/

Botany. the cork-producing tissue of stems together with the cork layers and other tissues derived from it.
Embryology. .
the outer corky protective layer of woody stems and roots, consisting of cork cambium, phelloderm and cork

periderm per·i·derm (pěr’ĭ-dûrm’) or per·i·der·ma (pěr’ĭ-dûr’mə)
The outermost layer of the epidermis of an embryo or a fetus up to the sixth month of gestation. Also called epitrichium.
The outer, protective layers of tissue of woody roots and stems, consisting of the cork cambium and the tissues produced by it. See more at cork cambium.


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    peridesmitis per·i·des·mi·tis (pěr’ĭ-děz-mī’tĭs, -děs-) n. Inflammation of the connective tissue surrounding a ligament.

  • Peridesmium

    peridesmium per·i·des·mi·um (pěr’ĭ-děz’mē-əm) n. The connective tissue membrane surrounding a ligament.

  • Perididymis

    perididymis per·i·did·y·mis (pěr’ĭ-dĭd’ə-mĭs) n. The thick fibrous membrane forming the outer coat of the testis.

  • Perididymitis

    perididymitis per·i·did·y·mi·tis (pěr’ĭ-dĭd’ə-mī’tĭs) n. Inflammation of the perididymis.

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