Lab Exam 3 - Study Flashcards
What is the innermost layer of the eye that detects light?
Retina
The retina converts light into signals for the brain.
What are the two layers of the retina?
- Pigmented layer
- Neural layer
What is found in the neural layer of the retina?
- Photoreceptors (rods & cones)
- Bipolar neurons
- Ganglion neurons
What structures are included in the external ear?
- Pinna
- External acoustic meatus
- Tympanic membrane
What are the three major areas of the ear?
- External ear
- Middle ear
- Internal ear
What are the ossicles found in the middle ear?
- Hammer (malleus)
- Anvil (incus)
- Stirrup (stapes)
What is the organ of Corti located in?
Cochlea
The organ of Corti is essential for hearing.
What type of receptors are olfactory and taste receptors classified as?
Chemoreceptors
Where is the olfactory epithelium located?
Roof of the nasal cavity
What types of cells are found in the olfactory epithelium?
- Basal (olfactory stem cells)
- Supporting cells
- Olfactory (bipolar neuron)
What are the taste sensations recognized by taste buds?
- Sweet
- Sour
- Salty
- Bitter
- Umami
What are the types of papillae where taste buds are located?
- Filliform
- Circumvallate
- Fungiform
- Foliate (rudimentary in adult)
What types of cells are found in taste buds?
- Supporting cells
- Basal (stem) cells
- Gustatory (taste) cells
Fill in the blank: The _______ converts light into signals the brain can use.
Retina
True or False: The internal ear structures function only in hearing.
False
