parenchyma


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parenchyma

 [pah-reng´kĭ-mah]
the essential or functional elements of an organ, as distinguished from its framework, which is called the stroma. adj., adj paren´chymal, parenchym´atous.
parenchyma of prostate glandular substance consisting of small compound tubulosaccular or tubuloalveolar glands, making up the bulk of the prostate; it is surrounded by muscular substance and permeated by muscular strands.
renal parenchyma the functional tissue of the kidney, consisting of the nephrons.

pa·ren·chy·ma

(pă-reng'ki-mă), [TA]
1. The distinguishing or specific cells of a gland or organ, contained in and supported by the connective tissue framework, or stroma.
2. The endoplasm of a protozoan cell.
3. In the lung, consists of the gas-exchanging portion, excluding the radiographically visible blood vessels and bronchi.
[G. anything poured in beside, fr. parencheō, to pour in beside]

parenchyma

/pa·ren·chy·ma/ (pah-reng´kĭ-mah) [Gr.] the essential or functional elements of an organ, as distinguished from its stroma or framework.paren´chymalparenchym´atous
renal parenchyma  the functional tissue of the kidney, consisting of the nephrons.

parenchyma

(pə-rĕng′kə-mə)
n.
1. Anatomy The tissue characteristic of an organ, as distinguished from associated connective or supporting tissues.
2. Botany A simple plant tissue, composed of thin-walled cells and forming the greater part of leaves, roots, the pulp of fruit, and the pith of stems.

pa·ren′chy·mal, par′en·chym′a·tous (păr′ĕn-kĭm′ə-təs) adj.

parenchyma

[pəreng′kimə]
Etymology: Gk, para + enchyma, infusion
the functional tissue or cells of an organ or gland, as distinguished from supporting or connective tissue.

pa·ren·chy·ma

(pă-rengk'i-mă) [TA]
1. The distinguishing or specific cells of a gland or organ, contained in and supported by the connective tissue framework, or stroma.
2. The endoplasm of a protozoan cell.
[G. anything poured in beside, fr. parencheō, to pour in beside]
Parenchymaclick for a larger image
Fig. 246 Parenchyma . Transverse section of cells.

parenchyma

  1. a tissue composed of parenchyma cells which are thin-walled ‘general purpose’ plant cells that often have a packing function. Parenchyma cells remain alive at maturity and can become meristematic, as in INTERFASCICULAR CAMBIUM (see SECONDARY THICKENING). See Fig. 246 .
  2. 2 the loose, vacuolated cells that form much of the body tissue of platyhelminths.
  3. 3 any specific organ cells apart from connective tissues and blood vessels.

parenchyma

cells characteristic of an organ, contained within and supported by the stroma

parenchyma

the essential or functional elements of an organ, as distinguished from its stroma or framework.
References in periodicals archive ?
We calculated the mean and 95% confidence interval ( CI ) of the intrahepatic cyst volume, hepatic parenchyma volume, liver volume (cysts plus parenchyma), volume reduction rate of the liver, and circumference of the abdomen, before TAE as the baseline and at 3, 6, 12, 18, 24, and 36 months after TAE.
In this series, while seven of the lesions were localized, parenchyma could not be reached in 28% of the procedures and diagnosis was established in 57%.
The organization of the mesophyll was dorsoventrally heterogeneous, with palisade parenchyma consisting of juxtaposed columnar cells and stratified spongy parenchyma with irregular-shaped cells (Figure 2a, b, c).
There has also been a case report in which whole of the parenchyma of a grossly enlarged spleen was occupied by CH.
Cortex is oval or hexegon shaped and large parenchyma cells.
Also in 4 cases stones were multiple, 3 patients had multiple stones located within the gland parenchyma, and while in one patient 2 stones were found in hilum and second near opening of the duct.
The histochemical tests showed starch in the cortical and medullar parenchyma of midrib and petiole and starch sheath in the petiole (Figure 4A), as well as phenolic compounds in epidermal cells, cortical and medullar parenchyma, and in the phloem of the midrib and petiole (Figure 4B).
The CT manifestations of LAM are distinctive, characterized by numerous thin-walled cysts surrounded by normal lung parenchyma and distributed diffusely and bilaterally.
Axial parenchyma is scanty paratracheal (vasicentric) and terminal.
Homogenous echotexture, hyperechoic echogenicity and small anechoic areas representing retention cysts of prostatic parenchyma were noticed on ultrasonography in all dogs suffering from BPH.
The investigation of changes in salivary glands after alcohol intake may involve analysis of immunohistochemical markers in parenchyma and stroma, including cytokeratin, vimentin, and alpha smooth muscle actin, intended to evaluate morphological alterations [13].
Duplex system is defined as kidney with two pelvicalyceal system with single or double ureter or single renal parenchyma containing two pelvicalycealsystems.