Question

module: nervous
topic: structures / type: combination

what structure is highlighted?

a. inner hair cell
b. basilar membrane
c. outer hair cell
d. tectorial membrane
e. inner phalangeal cells

attempt: 1/1
question 19/25
correct: 14
score: 56%

Explanation:

Identify the histological section

Using the Organ of Corti Anatomy knowledge point, the image shows a cross-section of the spiral organ (Organ of Corti) located within the cochlea of the inner ear.

Analyze the highlighted structure

Using the Tectorial Membrane Structure knowledge point, the structure highlighted in bright green is an acellular, gelatinous membrane that projects over the hair cells. This structure is the tectorial membrane.

Match with options

The highlighted structure corresponds to option D, the tectorial membrane.

Answer:

• (A) Inner hair cell
• (B) Basilar membrane
• (C) Outer hair cell
• (D) Tectorial membrane (Correct answer)
• (E) Inner phalangeal cells