释义 |
Definition of medulla in English: medullanoun mɛˈdʌləməˈdələ Anatomy 1The inner region of an organ or tissue, especially when it is distinct from the outer region or cortex (as in a kidney, an adrenal gland, or hair) 〔剖〕髓质 the adrenal medulla produces adrenaline Example sentencesExamples - Each strand of hair is constructed of three components - the cuticle, cortex and medulla.
- Melanin pigment, associated with melanocytes, is more typically leptomeningeal based, particularly in the ventral medulla and cervical spinal cord regions.
- The biopsy specimen consisted of renal cortex and outer medulla and contained 17 glomeruli.
- The adrenal cortex is of mesodermal origin, whereas the adrenal medulla is derived from the neural crest.
- The nodules did not invade the adrenal capsule or adrenal medulla.
- 1.1
short for medulla oblongata Example sentencesExamples - The cerebrum, pons, and medulla were hypoplastic.
- Similar changes may be seen in the medulla and upper brain stem.
- The medulla, or brain stem, controls or influences all of the bodily functions that you do not have to think about, like breathing, heart rate, temperature and consciousness.
- The brainstem consists of the midbrain, pons and medulla, structures located deep in the back of the brain.
- Removal of the meninges and some cranial nerve roots allow salient features of the ventral or anterior aspect of the medulla and pons to be examined more easily.
- 1.2Botany mass noun The soft internal tissue or pith of a plant.
〔植〕髓,髓部 the main bulk of the potato tuber is pith or medulla Example sentencesExamples - Chloroplasts were abundant in the secondary cortex and secondary phloem, and occurred throughout the secondary xylem rays and medulla of 3-year-old stems.
Derivativesadjective mɛˈdʌləri Anatomy 1Relating to the inner region of an organ, tissue, or structure. renal medullary oxygenation - 1.1 Relating to the continuation of the spinal cord within the skull.
- 1.2Botany Relating to the soft internal tissue or pith of a plant.
〔植〕髓,髓部
Example sentencesExamples - bone marrow in the medullary cavity
- On the right is seen the large, medullary area of the cerebral hemisphere, surrounded by a layer of gray cortical matter.
- In all reported cases of renal medullary carcinoma in which the race was known, the patients have been black.
- Radiologic examination in all cases except one revealed a well-circumscribed mass in the hilar and medullary region of the kidney.
- lateral medullary strokes
- the medullary sheath is an essential organ in the early age of a shoot
OriginLate Middle English (in the sense 'bone marrow'): from Latin, 'pith or marrow'. Rhymescolour (US color), cruller, culler, mullah, Muller, nullah, sculler, Sulla Definition of medulla in US English: medullanounməˈdələməˈdələ Anatomy 1The inner region of an organ or tissue, especially when it is distinguishable from the outer region or cortex (as in a kidney, an adrenal gland, or hair) 〔剖〕髓质 the adrenal medulla produces adrenaline Example sentencesExamples - Each strand of hair is constructed of three components - the cuticle, cortex and medulla.
- The biopsy specimen consisted of renal cortex and outer medulla and contained 17 glomeruli.
- The adrenal cortex is of mesodermal origin, whereas the adrenal medulla is derived from the neural crest.
- The nodules did not invade the adrenal capsule or adrenal medulla.
- Melanin pigment, associated with melanocytes, is more typically leptomeningeal based, particularly in the ventral medulla and cervical spinal cord regions.
- 1.1
short for medulla oblongata Example sentencesExamples - Removal of the meninges and some cranial nerve roots allow salient features of the ventral or anterior aspect of the medulla and pons to be examined more easily.
- The cerebrum, pons, and medulla were hypoplastic.
- Similar changes may be seen in the medulla and upper brain stem.
- The medulla, or brain stem, controls or influences all of the bodily functions that you do not have to think about, like breathing, heart rate, temperature and consciousness.
- The brainstem consists of the midbrain, pons and medulla, structures located deep in the back of the brain.
- 1.2Botany The soft internal tissue or pith of a plant.
〔植〕髓,髓部 the main bulk of the potato tuber is pith or medulla Example sentencesExamples - Chloroplasts were abundant in the secondary cortex and secondary phloem, and occurred throughout the secondary xylem rays and medulla of 3-year-old stems.
OriginLate Middle English (in the sense ‘bone marrow’): from Latin, ‘pith or marrow’. |