Skip to main content
Ch. 8 Special Senses
Marieb - Essentials of Human Anatomy & Physiology 13th Edition
Marieb13th EditionEssentials of Human Anatomy & PhysiologyISBN: 9780135624340당신이 사용하는 게 아니라요?교과서 변경
모든 교과서Marieb 13th EditionCh. 8 Special Senses문제 19
8장, 문제 19

For each of the following descriptions, indicate whether it applies to a macula or a crista ampullaris: inside a semicircular canal; contains otoliths; responds to linear acceleration and deceleration; has a cupula; responds to rotational acceleration and deceleration; inside the vestibule.

검증된 단계별 안내
1
Step 1: Understand the anatomical locations and functions of the macula and crista ampullaris. The macula is located in the vestibule of the inner ear (specifically in the utricle and saccule) and is responsible for detecting linear acceleration and deceleration. The crista ampullaris is located inside the semicircular canals and detects rotational acceleration and deceleration.
Step 2: Analyze the description 'inside a semicircular canal.' This applies to the crista ampullaris because it is specifically found within the ampulla of the semicircular canals.
Step 3: Analyze the description 'contains otoliths.' This applies to the macula because it contains otoliths (calcium carbonate crystals) embedded in a gelatinous layer, which help detect linear movements.
Step 4: Analyze the description 'responds to linear acceleration and deceleration.' This applies to the macula because its structure is designed to detect changes in linear motion using the otoliths and hair cells.
Step 5: Analyze the descriptions 'has a cupula' and 'responds to rotational acceleration and deceleration.' These apply to the crista ampullaris because it has a gelatinous structure called the cupula that bends in response to rotational movements, stimulating the hair cells within the ampulla.

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
영상 길이:
2m
도움이 되었나요?

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Macula

The macula is a sensory structure located within the vestibule of the inner ear, specifically in the utricle and saccule. It contains otoliths, which are small calcium carbonate crystals that help detect linear acceleration and deceleration. The macula is crucial for maintaining balance and spatial orientation by responding to changes in head position relative to gravity.
추천 영상:
3:31
Internal Regulation - The Tubuloglomerular Mechanism

Crista Ampullaris

The crista ampullaris is a sensory structure found within the ampullae of the semicircular canals in the inner ear. It contains a gelatinous structure called the cupula, which moves in response to rotational acceleration and deceleration of the head. This movement stimulates hair cells in the crista, allowing the body to perceive changes in angular motion, which is essential for balance.
추천 영상:
가이드 코스
03:49
Chloroplast Structure

Semicircular Canals vs. Vestibule

The semicircular canals and vestibule are both parts of the inner ear involved in balance. The semicircular canals are oriented in three planes and are responsible for detecting rotational movements, while the vestibule contains the macula and is responsible for sensing linear movements. Understanding the distinct functions and locations of these structures is key to answering questions about their roles in the vestibular system.
추천 영상:
가이드 코스
05:05
Passive vs. Active Transport
관련 실천
교과서 질문

Normal balance depends on information transmitted from a number of sensory receptor types. Name at least three of these receptors.

769
views
교과서 질문

Mrs. Garson has an immune disorder that causes dry mouth, and she complains to her doctor that she's lost her sense of taste. How might her symptoms be explained?

715
views
교과서 질문

Name the structures of the outer, middle, and inner ears, and give the general function of each structure and each group of structures.

1402
views
교과서 질문

Sound waves hitting the eardrum set it into motion. Trace the pathway of vibrations from the eardrum to the spiral organ of Corti, where the hair cells are stimulated.

935
views
교과서 질문

Sylvia Marcus, age 70, recently had surgery for otosclerosis. The operation was a failure and did not improve her condition. What was the purpose of the surgery, and exactly what was it trying to accomplish?

896
views