| 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)  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.
 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.
 
  
 
 Derivatives   adjective 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.
 
  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
 
 
 
 Origin   Late Middle English (in the sense 'bone marrow'): from Latin, 'pith or marrow'. Rhymes   colour (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)  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.
 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.
 
  
 
 Origin   Late Middle English (in the sense ‘bone marrow’): from Latin, ‘pith or marrow’.     |