tympanum


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tympanum

 [tim´pah-num]

tympanum

/tym·pa·num/ (-num)

tympanum

also

timpanum

(tĭm′pə-nəm)
n. pl. tympa·na (-nə) or tympa·nums
1.
a. Anatomy See middle ear.
b. See eardrum.
2. Zoology A membranous external auditory structure, as in certain insects.
3. The diaphragm of a telephone.

tympanum

typanic cavity.

tympanum

1. The ear drum and the middle ear cavity.
2. the middle ear and its contents.

tympanum

see TYMPANIC MEMBRANE.

tympanum

1. the part of the cavity of the middle ear, in the temporal bone, just medial to the tympanic membrane.
2. the tympanic membrane itself.
References in periodicals archive ?
5 larger than tympanum diameter; subarticular tubercles conical, elevated, none bifid; supernumerary tubercles small, conical; elevated ridge of coalesced tubercles between palmar tubercle and first subarticular tubercle of Finger IV; prepollex not projecting; palmar tubercle large, flat; ulnar tubercles large coalesced forming ulnar ridge; few scattered tubercles on ventral surface of ulna near hand.
Calo notes that at the centre of the tympanum of all Dong Son bronze drums is a sun/star motif with rays, sometimes interspersed with stylized feather motifs, and that around the sun/star are concentric pictorial bands showing flying birds or 'stylized feathered man' motifs.
tympanum, Grass Skink Lampropholis guichenoti, Tussock Skink Pseudemoia pagenstecherii, Lowland Copperhead Austrelaps superbus, N.
Nanorana vicina shares characters with its sub- Himalayan brook-water congeners: Allopaa barmoachensis (Khan and Tasnim, 1989) and Allopaa hazarensis (Dubois and Khan, 1979): has longer hind limbs, indistinct tympanum, prominent post-ocular skin fold to the angle of jaws, wider head, naris nearer to the eye than to snout tip, internasal space narrower than width of the upper eyelid.
To avoid this, the high reliefs were encapsulated into reinforced iron fittings attached to the tympanums of each pediment so that they could hang safely over the cornices.
The heaviest single exhibit is the tympanum from above the door of the Birmingham Dispensary on Union Street.
Although torana is a Sanskrit word for arched doorway or portal, in Newar architecture it is used for the main entrance of a shrine and sometimes confusingly designated by modern art historians as a tympanum.
For the study, the scientists captured juvenile field crickets that had not yet developed a tympanum, the equivalent to an ear, which grows on the cricket's front legs.
15) or the tympanum carved above many a cathedral door that depicts Christ in judgment (for a later, more familiar version, think of Michelangelo's "Last Judgment" in the Sistine Chapel).
On the limits of the Arctic Circle a couple were weeping in their room beyond a transparent wall, weeping, luminous, tender as if it were a tympanum membrane.
43) The Jaca tympanum is decorated with a central motif, the chrismon (fig.