hypodermis

noun

hy·​po·​der·​mis ˌhī-pə-ˈdər-məs How to pronounce hypodermis (audio)
1
: the tissue immediately beneath the epidermis of a plant especially when modified to serve as a supporting and protecting layer
2
: the cellular layer that underlies and secretes the chitinous cuticle (as of an arthropod)
3

Examples of hypodermis in a Sentence

Recent Examples on the Web Credit: Ching-Han Lee A mitochondrial calcium wave propagating throughout the hypodermis tissue after contacting P. ostreatus. Jennifer Ouellette, Ars Technica, 18 Jan. 2023 Sun protection is key to reduce the appearance and prevent melasma,.3 Types of Melasma There are different types of melasma, which vary by what skin layer it affects.4 The skin is made up of three layers: the epidermis, dermis, and hypodermis. Melanie Rud, Health, 14 Mar. 2023 The hypodermis is the innermost layer of skin, which stores fat and energy.5 Epidermal Epidermal melasma affects the epidermis. Melanie Rud, Health, 14 Mar. 2023 Under this is the subcutaneous layer known as the hypodermis, comprised of fatty tissue which can be up to inches thick depending on the person. Philip Ellis, Men's Health, 9 Apr. 2022 Finally, all the way at the bottom, there’s the hypodermis. William A. Haseltine, Forbes, 4 Jan. 2022 Our skin is made up of three layers: the epidermis, the dermis, and the hypodermis (Figure 1). William A. Haseltine, Forbes, 4 Jan. 2022 He was diagnosed with subcutaneous emphysema - a rare condition in which air gets trapped under the skin's lowest layer called the subcutis or hypodermis. The Washington Post, OregonLive.com, 1 June 2018

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hypodermis.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

hypo- + -dermis (in epidermis), probably after German Hypodermis

First Known Use

circa 1866, in the meaning defined at sense 1

Time Traveler
The first known use of hypodermis was circa 1866

Dictionary Entries Near hypodermis

Cite this Entry

“Hypodermis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypodermis. Accessed 23 Apr. 2024.

Medical Definition

hypodermis

noun
hy·​po·​der·​mis ˌhī-pə-ˈdər-məs How to pronounce hypodermis (audio)
1
: the cellular layer that underlies and secretes the chitinous cuticle (as of an arthropod)
2

More from Merriam-Webster on hypodermis

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