The tympanum is an external hearing structure in
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tympanum — ► NOUN (pl. tympanums or tympana) 1) Anatomy & Zoology the eardrum. 2) Architecture a vertical recessed triangular space forming the centre of a pediment or over a door. DERIVATIVES tympanic adjective. ORIGIN Greek tumpanon drum … English terms dictionary
tympanum — [ tɪmpənəm] noun (plural tympanums or tympana nə) 1》 Anatomy & Zoology the membrane forming part of the organ of hearing, which vibrates in response to sound waves; the eardrum. 2》 Architecture a vertical recessed triangular space forming the… … English new terms dictionary
tympanum — /ˈtɪmpənəm / (say timpuhnuhm), /tɪmˈpanəm/ (say tim pahnuhm) noun (plural tympanums or tympana /ˈtɪmpənə/ (say timpuhnuh)) 1. Anatomy, Zoology the middle ear, comprising that part of the ear situated in a recess of the temporal bone. 2. →… …
tympanic — tympanum ► NOUN (pl. tympanums or tympana) 1) Anatomy & Zoology the eardrum. 2) Architecture a vertical recessed triangular space forming the centre of a pediment or over a door. DERIVATIVES tympanic adjective. ORIGIN Greek tumpanon drum … English terms dictionary
Temnospondyli — Temnospondyls Temporal range: Early Carboniferous Early Cretaceous, 330–120 Ma Possible descendant taxon Lissamphibia survives to present … Wikipedia
reptile — reptilelike, adj. reptiloid /rep tl oyd /, adj. /rep til, tuyl/, n. 1. any cold blooded vertebrate of the class Reptilia, comprising the turtles, snakes, lizards, crocodilians, amphisbaenians, tuatara, and various extinct members including the… … Universalium
Noctuoidea — Scheck Tageule (Callistege mi) Systematik Klasse: Insekten (Insecta) Unterklasse … Deutsch Wikipedia
Dickschwanz-Rennmaus — Fettschwanz Rennmaus Fettschwanz Rennmaus (Pachyuromys duprasi) Systematik Familie: Langschwanzmäuse (Muridae) … Deutsch Wikipedia
Dickschwanzmaus — Fettschwanz Rennmaus Fettschwanz Rennmaus (Pachyuromys duprasi) Systematik Familie: Langschwanzmäuse (Muridae) … Deutsch Wikipedia
Fettschwanz-Rennmaus — (Pachyuromys duprasi) Systematik Familie: Langschwanzmäuse (Muridae) Unterfamil … Deutsch Wikipedia
