| ECTODERMS | • ectoderms n. Plural of ectoderm. • ECTODERM n. the external layer of an embryo, also EXODERM. |
| ENDODERMS | • endoderms n. Plural of endoderm. • ENDODERM n. the innermost layer of embryo, also ENTODERM. |
| ENTODERMS | • entoderms n. Plural of entoderm. • ENTODERM n. the innermost layer of embryo, also ENDODERM. |
| EXODERMAL | • exodermal adj. Relating to the exodermis. • EXODERMAL adj. relating to the exodermis, the outer cortex layer of a root. |
| EXODERMIS | • exodermis n. Hypodermis. • EXODERMIS n. the outer cortex layer of a root. |
| HYPODERMA | • hypoderma n. (Botany) A layer of tissue beneath the epidermis in plants, performing the physiological function of… • hypoderma n. (Zoology) An inner cellular layer which lies beneath the chitinous cuticle of arthropods, annelids… • Hypoderma prop.n. A taxonomic genus within the family Oestridae – warble flies. |
| HYPODERMS | • hypoderms n. Plural of hypoderm. • HYPODERM n. the tissue next under the epidermis, also HYPODERMIS. |
| MESODERMS | • mesoderms n. Plural of mesoderm. • MESODERM n. the middle germ layer of an embryo. |
| OSTEODERM | • osteoderm n. (Anatomy) A bony deposit in the dermal layers of the skin. • OSTEODERM n. a bony dermal plate. |
| PLACODERM | • placoderm n. (Paleontology) A member of an extinct class (Placodermi) of jawed fish with armored heads and thoraces;… • placoderm adj. (Paleontology) Pertaining to the class Placodermi. • PLACODERM adj. covered with bony scales. |
| PROTODERM | • protoderm n. (Botany) the primary meristem from which the epidermis develops. • PROTODERM n. the dermatogen, the nascent epidermis, or external cuticle of plants in a forming condition. |
| PYODERMAS | • pyodermas n. Plural of pyoderma. • PYODERMA n. a pus-causing skin disease. |
| PYODERMIC | • pyodermic adj. Relating to or characteristic of pyodermas. • PYODERMIC adj. of or like pyoderma, any skin disease resulting in pustules and/or pus. |
| XERODERMA | • xeroderma n. (Pathology) Any of various skin diseases characterised by dry hard scaly skin, especially ichthyosis. • XERODERMA n. morbid dryness of skin, ichthyosis, also XERODERMIA. |