pith

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pith

(pith),
1. The center of a hair.
2. The spinal cord and medulla oblongata.
3. To pierce the medulla of an animal with a sharp instrument introduced at the base of the skull.
[A.S. pitha]
Farlex Partner Medical Dictionary © Farlex 2012

pith

(pĭth)
n.
a. The soft inner substance of a feather or hair.
b. The spinal cord.
tr.v. pithed, pithing, piths
To sever or destroy the spinal cord of, usually by inserting a needle into the vertebral canal.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

pith

(pith)
1. The center of a hair.
2. The spinal cord and medulla oblongata.
3. To pierce the medulla of an animal with a sharp instrument introduced at the base of the skull.
[A.S. pitha]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

pith

or

medulla

the core of a DICOTYLEDON stem, containing PARENCHYMA cells that have a storage function.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Regarding the effective degradability of major nutrient contents (e.g., DM, NDF, and ADF), leaf blade, ear husk, and stem pith had significantly higher values while stem rind had the lowest values compared to other corn stover fractions.
These explain our observation that leaf blade, ear husk and stem pith of corn stover had relatively lower ADF and ADL contents with higher ruminal disappearance rate and effective degradability than other fractions, consistent with previous findings by Hunt et al.
Evaluation of the ruminal degradation rate and effective degradability of major nutrient contents of corn stover fractions indicates that leaf blade, ear husk, and stem pith have higher nutrient levels than other fractions of corn stover, thus may have greater nutritive value.