These cells are known as endodermal cells . 這些細(xì)胞稱為內(nèi)胚層細(xì)胞。
Other modifications include the uneven thickening of guard cells , the sieve plates in phloem , the suberization of endodermal cells , the waterproof coverings of epidermal and cork cells 此外還有其他的一些修飾形式,包括不均勻的加厚保衛(wèi)細(xì)胞和韌皮部中的篩板,內(nèi)皮細(xì)胞的栓化等。