medulla

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medulla:

see brain stembrain stem,
lower part of the brain, adjoining and structurally continuous with the spinal cord. The upper segment of the human brain stem, the pons, contains nerve fibers that connect the two halves of the cerebellum.
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medulla

[mə′dəl·ə]
(anatomy)
The central part of certain organs and structures such as the adrenal glands and hair.
Marrow, such as of bone or the spinal cord.
(botany)
Pith.
The central spongy portion of some fungi.
(neuroscience)

medulla

1. Anatomy the innermost part of an organ or structure
2. Botany another name for pith
References in periodicals archive ?
This procedure may be designated as compression osteogenesis (CO) instead of CAO, because the bone-tooth block is only supported by medullary bone and overlying mucosa.
In conclusion, this 76-year-old patient with bilateral medullary sclerosis of long bones, mildly elevated RF, the most likely diagnosis is Erdheim-Chester disease.
Medullary thyroid cancer, which is more difficult to find and treat, makes up approximately 4% of all thyroid cancers.
There are some animal studies that had suggested a relationship between Pu[O.sub.2] and renal medullary oxygenation.
Medullary carcinoma of the breast: Role of contrast-enhanced MRI in the diagnosis of multiple breast lesions.
For differential diagnosis of medullary carcinoma, MRI of the pituitary gland was performed and no pathological result was obtained.
Hemangioma involving the proximal ulna is extremely rare; however, a radiologist should be aware and consider this entity in the differential diagnosis of a medullary based, expansile, osteolytic lesion with soap-bubble appearance affecting a long tubular bone, particularly on CT and MRI.
However medullary and micropapillary carcinoma cases also were more likely to be diagnosed with lymph node-positive disease.
The factors assessed included the age at diagnosis, size of tumor (as assessed by the maximum dimension measured in centimeters), the presence of high-grade tumor, location of the tumor (axial location versus appendicular), the presence of medullary extension or invasion, and whether chemotherapy was administered.
(1) Medullary thyroid carcinoma occurs in sporadic and familial forms, with sporadic MTC accounting for most cases (75%).