| 释义 |
Definition of tubercle in English: tuberclenoun ˈtjuːbək(ə)lˈt(j)ubərkəl 1Anatomy Zoology Botany
A small rounded projection or protuberance, especially on a bone or on the surface of an animal or plant. Example sentencesExamples - In the male, the genital tubercle is located adjacent to and caudal to the umbilicus, whereas the genital tubercle in the female is located just ventral to the tail.
- Its fibers pass dorsally from an extensive anterior attachment to insert on the pharyngeal raphe, the pharyngeal tubercle of the occipital bone.
- A terminal segment includes a tubercle that projects dorsally and an anus.
- The blood supply of the scaphoid comes from the radial artery, feeding the bone on the dorsal surface near the tubercle and scaphoid waist.
- The tubercles have rounded surface and irregular shape.
2Medicine
A small nodular lesion in the lungs or other tissues, characteristic of tuberculosis. Example sentencesExamples - Even on the bare question of the presence or absence of tubercle in a lung it often fails us; on questions of the age, extent, distribution and histological character of the tuberculous lesions it can tell us little.
- Tuberculoma is a mass of granulation tissue made up of a conglomeration of microscopic small tubercles.
- Responding to the invasion, macrophages may huddle with other immune cells to form little nodules called granulomas, or tubercles.
- When this happens, the bacteria become encapsulated in tiny tubercles (round lesions) usually in the lungs which may be seen on a chest X-ray.
- The disease causes these tubercles to become yellow and spongy and coughing fits causes them to be spat out by the sufferer.
Derivatives adjective tjuːˈbəːkjʊlət Botany Anatomy Zoology Forming a small rounded projection or protuberance, especially on a bone or on the surface of an animal or plant. Example sentencesExamples - The outer surface of the egg is finely tuberculate.
- However, it is characterized by short genal and pleural spines, a tuberculate surface texture, and a relatively broad tail spine with a diagnostic median cleft, none of which are seen in Quasimodaspis.
- In the first stage, ribs are strong and tuberculate and the whorl section is subtrapezoidal with divergent sides.
Origin Late 16th century: from Latin tuberculum, diminutive of tuber (see tuber). Definition of tubercle in US English: tuberclenounˈt(j)ubərkəlˈt(y)o͞obərkəl 1Anatomy Botany Zoology
A small rounded projection or protuberance, especially on a bone or on the surface of an animal or plant. Example sentencesExamples - Its fibers pass dorsally from an extensive anterior attachment to insert on the pharyngeal raphe, the pharyngeal tubercle of the occipital bone.
- In the male, the genital tubercle is located adjacent to and caudal to the umbilicus, whereas the genital tubercle in the female is located just ventral to the tail.
- The blood supply of the scaphoid comes from the radial artery, feeding the bone on the dorsal surface near the tubercle and scaphoid waist.
- A terminal segment includes a tubercle that projects dorsally and an anus.
- The tubercles have rounded surface and irregular shape.
2Medicine
A small nodular lesion in the lungs or other tissues, characteristic of tuberculosis. Example sentencesExamples - When this happens, the bacteria become encapsulated in tiny tubercles (round lesions) usually in the lungs which may be seen on a chest X-ray.
- Responding to the invasion, macrophages may huddle with other immune cells to form little nodules called granulomas, or tubercles.
- The disease causes these tubercles to become yellow and spongy and coughing fits causes them to be spat out by the sufferer.
- Even on the bare question of the presence or absence of tubercle in a lung it often fails us; on questions of the age, extent, distribution and histological character of the tuberculous lesions it can tell us little.
- Tuberculoma is a mass of granulation tissue made up of a conglomeration of microscopic small tubercles.
Origin Late 16th century: from Latin tuberculum, diminutive of tuber (see tuber). |