drum

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tym·pan·ic mem·brane

[TA]
a thin tense membrane forming the greater part of the lateral wall of the tympanic cavity and separating it from the external acoustic meatus; it constitutes the boundary between the external and middle ears; it is a trilaminar membrane covered with skin on its external surface, mucosa in its internal surface, is covered on both surfaces with epithelium, and, in the tense part, has an intermediate layer of outer radial and inner circular collagen fibers.

drum

(drum) tympanic membrane.

drum

(drŭm)
n.
Anatomy The eardrum.

tym·pan·ic mem·brane

(tim-pan'ik mem'brān) [TA]
A thin, tense covering that forms the greater part of the lateral wall of the tympanic cavity and separates it from the external acoustic meatus; it constitutes the boundary between the external and middle ear, is covered on both surfaces with epithelium, and in the tense part has an intermediate layer of outer radial and inner circular collagen fibers.
Synonym(s): membrana tympani [TA] , drum membrane, drum, drumhead, eardrum, myringa, myrinx.
[L. membrana tympani]
References in periodicals archive ?
From the total catches of Atlantic croaker (3,004) and spot (1,361), subsamples of 514 and 538 specimens of croaker and spot, respectively, were selected for stomach contents analysis.
Three hundred meters was chosen as the trawl length based on estimates of the maximum range over which we would likely be able to detect calling Atlantic croaker (~150 m).
Species with higher critical thermal maxima comprised Group III, namely zebraperch (Hermosilla azurea), spotfin croaker (Roncador stearnsii), barred sand bass (Paralabrax nebulifer), yellowfin croaker (Umbrina roncador), and sargo (Anisotremus davidsonii) (Figure 4).
Weakfish and Atlantic croaker were present in stomachs of recreationally caught striped bass for all years (Table 2).
Croaker said First Interstate's BSA department plans to share simulated cases that were completed using AML Virtuoso with regulators as well to help demonstrate the bank is meeting training obligations and enhancing its staff's ability to detect suspicious activity.
2] Species (t) (k) (%) Large yellow croaker 120,000 500,000 79 Small yellow croaker 40,000 300,000 68 Jellyfish 25,000 600,000 56 Cuttlefish 50,000 500,000 84 Green filefish 160,000 2,500,000 57 Pomfrets 50,000 3,500,000 61 Hairtail 420,000 2,000,000 71 Chinese herring 20,000 50,000 68
Atlantic croaker are shelf-spawners during October-January and can reach an age of 15 years and length of 46 cm TL (Hales and Reitz, 1992; Barbieri et al.
Zuyev GV and VE Giragosov The reproduction biology and production characteristics of three species of croakers (sciaenidae) along the Guinea coast (Abstract), 1990.
Five fish species were observed in the fall only: Atlantic croaker, red drum, shrimp eel Ophichthus gomesii, emerald sleeper Erotelis smaragdus, and blackwing searobin Prionotus rubio.
The majority of those surveyed--73 percent--indicated that they routinely ate fish caught from the bay, including bass and white croaker (kingfish), both currently on bay fish consumption advisories due to contamination.
The little croaker tilts up its head and lets raindrops roll into its mouth.