sieve

Vascular plants

...62; trans fer of soluble materials through the sieve tubes of the phloem of vascular plants ; the exchange of parts of chromosomes Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> stele . The central cylinder inside t...

Turgor

...2;>> Turgor pressure builds up in the sieve tubes (similar to the creation of root pressure). Full article >>> turgor : pressure the pressure exerted on a plant 's guard cell s to open. U umbilical cord : the source of attachment of the fetus to the maternal blood supply....

Translocation

...tion trans fer of soluble materials through the sieve tubes of the phloem of vascular plants ; the exchange of parts of chromosomes Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> Translocation of Food Food and other...

Trans

...tion trans fer of soluble materials through the sieve tubes of the phloem of vascular plants ; the exchange of parts of chromosomes Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> Trans poson s are sequence s of DN...

Sieve tubes

...s up the stem . Full article >>> sieve tubes . See phloem . skeleton ize. To remove le... parent material. Full article >>> sieve tubes A series of long cells lying end to end and forming a tube, found in the phloem of An...

Secondary phloem

...oduced by vascular cambium and composed of both sieve tubes and companion cells . Covered in Lab 9 Seed Plant Sporophyte ... Full article >>> The cambium layer forms new cells on both the inside and outside of the cambium cylinder, with those on the inside forming secondary xyle...

Phloem

...ducting tissue of vascular plants , composed of sieve elements , various kinds of parenchyma cells , f...food-conducting tissue of a plant , made up of sieve tubes , companion cells , phloem parenchyma, and fibers. phloem -feeding. An organ ism that wit...

Madreporite

...2; Water enters on the aboral side through the sieve plate, which is also known as the madreporite . Water passes through a stone canal to a ring canal and into the radial canal s in each arm. Full article >>>...

Elements

... N, S, Ca, Fe, Mg. Full article >>> sieve elements Tubular, thin-walled cells that form a system of tubes extending from the roots to the leaves in the phloem of plant s; lose their nuclei and organelles at maturity, but retain a functional plasma membrane . PICTURE 1 PICTURE 2 ....

Companion cells

... move sugars and amino acids into and out of the sieve elements . Full article >>> Companion cells load sugar into the sieve element (sieve elements are connected into sieve tubes ). Fluids can move up or down within the ...

Aboral

...2; Water enters on the aboral side through the sieve plate, which is also known as the madreporite . Water passes through a stone canal to a ring canal and into the radial canal s in each arm. Full article >>>...