Definition of mastoid in English:

mastoid

adjective ˈmastɔɪdˈmæstɔɪd

Anatomy

Relating to the mastoid process.
〔剖〕（与）乳突（有关）的
mastoid disease
乳突病。
Example sentencesExamples
- Cholesterol granuloma is usually associated with chronic middle ear disease and is common in the mastoid antrum and air cells of the temporal bone.
- The relationship between middle ear disease and mastoid development remains unclear although it is known that poor mastoid development is associated with middle ear disease.
- Common to all of these patients is an abnormal connection between the sterile subarachnoid space, and the sinonasal region, middle ear cleft and mastoid cavity.
- A review of the literature shows fluctuating trends in the numerous techniques that have been developed and used by otologists throughout the years of mastoid surgery.
- A CT scan enables assessment of the degree of aeration of the middle ear cleft and mastoid cavity and a bone scan may detect osteomyelitis.

noun ˈmastɔɪdˈmæstɔɪd

Anatomy

1The mastoid process.
〔剖〕（与）乳突（有关）的
Example sentencesExamples
- The temporal bone is the first bone to be affected, with imminent involvement of the petrous apex and mastoid.
- Longstanding cholesteatomas expand to involve the mastoid, inner ear, and facial nerve.
- The group of patients underwent modified radical mastoidectomy because of the presence of a sclerotic mastoid with extensive cholesteatoma.
- They were implanted in the mastoid, frontal and maxillary regions for periods of 1 week to 2 months.
- The mastoid was poorly developed, with a clear fluid effusion throughout with no evidence of cholesteatoma or inflammatory disease.
1. 1.1informal treated as singular Mastoiditis.
  〈非正式〉乳突炎
  stop poking your ears out with your biro—you'll get mastoids

Origin

Mid 18th century: via French and modern Latin from Greek mastoeidēs 'breast-shaped', from mastos 'breast'.

Definition of mastoid in US English:

mastoid

adjectiveˈmæstɔɪdˈmastoid

Anatomy

Relating to the mastoid process.
〔剖〕（与）乳突（有关）的
mastoid disease
乳突病。
Example sentencesExamples
- Cholesterol granuloma is usually associated with chronic middle ear disease and is common in the mastoid antrum and air cells of the temporal bone.
- A CT scan enables assessment of the degree of aeration of the middle ear cleft and mastoid cavity and a bone scan may detect osteomyelitis.
- Common to all of these patients is an abnormal connection between the sterile subarachnoid space, and the sinonasal region, middle ear cleft and mastoid cavity.
- The relationship between middle ear disease and mastoid development remains unclear although it is known that poor mastoid development is associated with middle ear disease.
- A review of the literature shows fluctuating trends in the numerous techniques that have been developed and used by otologists throughout the years of mastoid surgery.

nounˈmæstɔɪdˈmastoid

Anatomy

1The mastoid process.
〔剖〕（与）乳突（有关）的
Example sentencesExamples
- They were implanted in the mastoid, frontal and maxillary regions for periods of 1 week to 2 months.
- The group of patients underwent modified radical mastoidectomy because of the presence of a sclerotic mastoid with extensive cholesteatoma.
- The mastoid was poorly developed, with a clear fluid effusion throughout with no evidence of cholesteatoma or inflammatory disease.
- The temporal bone is the first bone to be affected, with imminent involvement of the petrous apex and mastoid.
- Longstanding cholesteatomas expand to involve the mastoid, inner ear, and facial nerve.
1. 1.1informal treated as singular Mastoiditis.
  〈非正式〉乳突炎

Origin

Mid 18th century: via French and modern Latin from Greek mastoeidēs ‘breast-shaped’, from mastos ‘breast’.

词汇	mastoid
释义	Definition of mastoid in English: mastoid adjective ˈmastɔɪdˈmæstɔɪd Anatomy Relating to the mastoid process. 〔剖〕（与）乳突（有关）的 mastoid disease 乳突病。 Example sentencesExamples Cholesterol granuloma is usually associated with chronic middle ear disease and is common in the mastoid antrum and air cells of the temporal bone. The relationship between middle ear disease and mastoid development remains unclear although it is known that poor mastoid development is associated with middle ear disease. Common to all of these patients is an abnormal connection between the sterile subarachnoid space, and the sinonasal region, middle ear cleft and mastoid cavity. A review of the literature shows fluctuating trends in the numerous techniques that have been developed and used by otologists throughout the years of mastoid surgery. A CT scan enables assessment of the degree of aeration of the middle ear cleft and mastoid cavity and a bone scan may detect osteomyelitis. noun ˈmastɔɪdˈmæstɔɪd Anatomy 1The mastoid process. 〔剖〕（与）乳突（有关）的 Example sentencesExamples The temporal bone is the first bone to be affected, with imminent involvement of the petrous apex and mastoid. Longstanding cholesteatomas expand to involve the mastoid, inner ear, and facial nerve. The group of patients underwent modified radical mastoidectomy because of the presence of a sclerotic mastoid with extensive cholesteatoma. They were implanted in the mastoid, frontal and maxillary regions for periods of 1 week to 2 months. The mastoid was poorly developed, with a clear fluid effusion throughout with no evidence of cholesteatoma or inflammatory disease. 1.1informal treated as singular Mastoiditis. 〈非正式〉乳突炎 stop poking your ears out with your biro—you'll get mastoids Origin Mid 18th century: via French and modern Latin from Greek mastoeidēs 'breast-shaped', from mastos 'breast'. Definition of mastoid in US English: mastoid adjectiveˈmæstɔɪdˈmastoid Anatomy Relating to the mastoid process. 〔剖〕（与）乳突（有关）的 mastoid disease 乳突病。 Example sentencesExamples Cholesterol granuloma is usually associated with chronic middle ear disease and is common in the mastoid antrum and air cells of the temporal bone. A CT scan enables assessment of the degree of aeration of the middle ear cleft and mastoid cavity and a bone scan may detect osteomyelitis. Common to all of these patients is an abnormal connection between the sterile subarachnoid space, and the sinonasal region, middle ear cleft and mastoid cavity. The relationship between middle ear disease and mastoid development remains unclear although it is known that poor mastoid development is associated with middle ear disease. A review of the literature shows fluctuating trends in the numerous techniques that have been developed and used by otologists throughout the years of mastoid surgery. nounˈmæstɔɪdˈmastoid Anatomy 1The mastoid process. 〔剖〕（与）乳突（有关）的 Example sentencesExamples They were implanted in the mastoid, frontal and maxillary regions for periods of 1 week to 2 months. The group of patients underwent modified radical mastoidectomy because of the presence of a sclerotic mastoid with extensive cholesteatoma. The mastoid was poorly developed, with a clear fluid effusion throughout with no evidence of cholesteatoma or inflammatory disease. The temporal bone is the first bone to be affected, with imminent involvement of the petrous apex and mastoid. Longstanding cholesteatomas expand to involve the mastoid, inner ear, and facial nerve. 1.1informal treated as singular Mastoiditis. 〈非正式〉乳突炎 Origin Mid 18th century: via French and modern Latin from Greek mastoeidēs ‘breast-shaped’, from mastos ‘breast’.
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