tegmen

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teg·men

 (tĕg′mən)
n. pl. teg·mi·na (-mə-nə)
A covering or integument, especially:
a. The thin plate of bone that covers the middle ear.
b. The tough leathery forewing of certain insects.
c. The inner layer of a seed coat.

[Latin tegimen, tegmen, covering, from tegere, to cover; see (s)teg- in Indo-European roots.]

tegmen

(ˈtɛɡmən)
n, pl -mina (-mɪnə)
1. (Zoology) either of the leathery forewings of the cockroach and related insects
2. (Botany) the delicate inner covering of a seed
3. (Botany) any similar covering or layer
[C19: from Latin: a cover, variant of tegimen, from tegere to cover]
ˈtegminal adj

teg•men

(ˈtɛg mən)

n., pl. -mi•na (-mə nə)
1. a covering or integument, esp. of a plant or animal.
2. the delicate inner coat of a seed.
3. either of a pair of leathery forewings extending over the hind wings in certain insects.
[1800–10; < Latin: covering (also tegumen, tegimen) =teg(ere) to cover + -men n. suffix]
teg′mi•nal, adj.
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References in periodicals archive ?
A multi--layered closure technique in which autologous and artificial materials are combined is considered to result in the highest rate of success, the most common defect sites were located over the tegmen mastoideum and tegmen tympani.
Magnetic resonance imaging of the brain indicated intracranial extension of TOM through a destroyed tegmen mastoideum.
CT scans of the brain and temporal bones showed right mastoid and middle ear effusions with erosion of the tegmen mastoideum posteriorly, and an epidural abscess with transcalvarial extension into the posterior auricular subcutaneous region (Figure 1).