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1. pertaining to a medulla.
2. myeloid (def. 1).
3. myeloid (def. 2).
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


(med'yul-lăr'ē, med'ū-lār-ē),
Relating to the medulla or marrow.
Synonym(s): medullar
Farlex Partner Medical Dictionary © Farlex 2012


adjective Referring to or resembling the medulla or centre of a tissue, especially the bone marrow.
Medspeak-UK pronounced, meh DULL urry
Medspeak-US pronounced, MED you lerry
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.


Relating to the medulla or marrow.
Synonym(s): medullar.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


(me-dul'a, dul') plural.medullae [L. medulla, marrow, pith]
1. Marrow (1).
2. In anatomy, the innermost or central portion of an organ in contrast to the cortex.
3. The caudal segment of the hindbrain. Synonym: medulla oblongata; bulb (2)
4. The medulla ossium. medullary (med'ul-er?e, mej?), adjective
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adrenal medulla

The central tissue of the adrenal gland. It is filled with pheochromocytes, which are derived from the neural crest and resemble postsynaptic sympathetic ganglion cells. In response to stimulation by presynaptic sympathetic axons, the pheochromocytes secrete epinephrine and norepinephrine into the bloodstream. See: illustration
See: adrenal gland

medulla of hair

The central axis of a hair.

medulla of kidneys

See: pyramid, renal

medulla nephrica

See: pyramid, renal

medulla oblongata

Medulla (3).

medulla ossium

Marrow (1).

medulla of ovary

The central portion of the ovary, composed of loose connective tissue, blood vessels, lymphatics, and nerves.

medulla spinalis

The spinal cord.
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
In this situation, there is a block of bone (pedicled with medullary bone) that must be moved rather than moving teeth through the bone, which is another model of the CO procedure.
Radiographically, it is characterized by a symmetric pattern of diffuse or patchy increased density, medullary sclerosis, and cortical thickening.
(13) measured renal pelvic Pu[O.sub.2] in healthy volunteers using magnetic resonance imaging (MRI) and had found that changes in renal pelvic Pu[O.sub.2] are compatible with renal medullary ischaemic changes.
Medullary carcinoma of the breast: a clinicopathologic study with 10 year follow-up.
Hyalinizing trabecular tumor can be confused with encapsulated variant of medullary thyroid carcinoma.
In AVP-deficient rats, long-term administration with dDAVP increases AQP4 protein abundance in the outer and the inner medullary collecting duct, suggesting a regulation of AQP4 by AVP (Murillo-Carretero et al., 1999).
When the special type of breast tumors were evaluated according to the molecular types, all types expect medullary showed unique molecular patterns.
(21) The progressive accumulation of molecular alterations in support of a preinvasive carcinoma has led some authors to prefer the term medullary carcinoma in situ or C-cell dysplasia over neoplastic CCH because it better reflects its true biologic nature.
More than 90% of TNBCs exhibit an invasive ductal, no special type histology, while others may show metaplastic elements and medullary/atypical medullary features.
Background: Medullary cystic kidney disease (MCKD) is clinically indistinguishable from several other autosomal-dominant renal diseases; thus, molecular genetic testing is needed to establish a definitive diagnosis.