mandibular
mandibular — adjective
- mandibularpositive
- more mandibularcomparative
- most mandibularsuperlative
1. describing or involving the lower jaw bone of a human or vertebrate animal, incl
describing or involving the lower jaw bone of a human or vertebrate animal, including its associated teeth, nerves, and blood vessels
Dr. Chen examined the patient's mandibular fracture using a series of X-ray images.
collocation: mandibular fracture
Aoi's wisdom teeth became impacted because her mandibular arch was too narrow.
collocation: mandibular arch
The mandibular nerve carries sensory signals from the lower teeth and chin to the brain.
Heloísa's dentist recommended a mandibular advancement device to treat her sleep apnea.
Mandibular surgery on rabbits requires very small instruments and a steady hand.
- maxillary
refers specifically to the upper jaw bone, the opposite of 'mandibular'
文法句型
mandibular + noun
用法筆記
Almost always used before a noun — for example, 'mandibular nerve', 'mandibular fracture'. The standalone noun for the bone itself is 'mandible'.
常見錯誤
mandibular — noun
1. the large, movable bone that forms the lower part of the mouth area in humans an
the large, movable bone that forms the lower part of the mouth area in humans and vertebrate animals, holding the bottom row of teeth and connecting to the skull at the jaw joint
A blow to the left side of Piotr's face fractured his mandibular near the chin.
collocation: fractured mandibular
The forensic dentist matched the victim's mandibular to dental X-rays taken two years earlier.
A cat's mandibular is shorter and more powerful than that of most other mammals.
The surgeon removed a cyst from the patient's right mandibular during the two-hour procedure.
Devika compared the human mandibular with a chimpanzee's for her anthropology project.
- maxilla
the upper jaw bone, opposite of the mandible/mandibular
文法句型
the mandibular
a mandibular
用法筆記
In modern medical English, 'mandible' is far more common than 'mandibular' when referring to the bone as a countable noun. 'Mandibular' in this sense is found mainly in older or very specialized anatomical writing.
常見錯誤
2. either the top half or the bottom half of a bird's beak, which together form the
either the top half or the bottom half of a bird's beak, which together form the complete bill structure used for feeding, preening, and nest-building
A parrot's upper mandibular curves sharply downward while the lower one is much shorter.
distinction: upper vs lower mandibular
Beatrix measured each mandibular in five finch species for her biology report.
A flamingo's lower mandibular is larger than the upper one, helping it feed upside down.
Ziad watched the sparrow open both mandibulars wide to catch the flying insect.
- mandible
standard term for each half of a bird's bill; 'upper mandible' and 'lower mandible' are the usual expressions
- bill half
non-technical description
- beak segment
informal alternative
文法句型
upper mandibular
lower mandibular
用法筆記
In ornithology, the two parts of a bird's bill are usually called the 'upper mandible' and 'lower mandible'. 'Mandibular' in this sense is a variant that appears in some older or more technical descriptions.
3. a hardened pair of mouth structures in insects, spiders, centipedes, and similar
a hardened pair of mouth structures in insects, spiders, centipedes, and similar creatures, used for grasping, cutting, crushing, or holding food items during feeding
The beetle's powerful mandibulars can crush wood fibres and tough plant stems.
plural: mandibulars for paired mouthparts
Rachel observed the ant carry a leaf fragment using only its sharp mandibulars.
A spider's mandibulars contain venom glands that help it paralyze insects caught in the web.
The praying mantis uses its large mandibulars to hold prey while eating it alive.
- mandible
the standard entomological term; 'mandibles' is far more common than 'mandibulars'
- jaw
informal term for insect mouthparts
- chewing mouthpart
descriptive functional term
文法句型
mandibulars
the mandibulars of [insect]
用法筆記
Almost always used in plural form ('mandibulars') because these structures occur in symmetrical pairs. The singular 'mandibular' for a single invertebrate mouthpart is very rare.