The outermost structure of the ear of anuran amphibians is a/an ( ).
A: pinna
B: semicircular canal
C: tympanic bulla
D: tympanic membrane
E: auditory meatus
A: pinna
B: semicircular canal
C: tympanic bulla
D: tympanic membrane
E: auditory meatus
D
举一反三
- Which structure is responsible for encoding different sound frequencies? A: basilar membrane B: tympanum C: semicircular canals D: stapes
- Concerning semicircular canal, which of the following statements is correct?
- Nose is to olfactory as ear is to______. () A: allergic B: beautiful C: edible D: auditory E: raspy
- nose<br/>to olfactory as ear to ( ) A: beautiful B: edible C: auditory D: raspy E: allergic
- The outermost part of an insect's egg is（ ） A: chorion B: vitelline membrane C: periplasm D: egg nucleus
内容
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The outermost structure of a kidney is the . A: cortex B: medulla C: capsule D: pelvis
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Which structure belongs to the bony labyrinth A: the semicircular ducts B: the utricle and saccule C: the cochlea D: cochlear duct E: Corti’s aparatus
- 2
Structure of blood testis barrier, excluding: A: capillary endothelium and basement membrane B: connective tissue C: seminiferous basement membrane D: spermatogonium E: close connection of Sertoli cells
- 3
Which structure does not belong to the membranous labyrinth A: the semicircular ducts B: the utricle and saccule C: the cochlea D: cochlear duct E: Corti’s aparatus
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The outermost structure of a kidney is the . A: A. cortex B: B. medulla C: C. capsule D: D. pelvis