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Tissues and the Primary Growth of Stems, Both types of sclerenchyma, Both…
Tissues and the Primary Growth of Stems
Basic Types of Cells and Tissues
collenchyma cells
sclerenchyma
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fibers
sclereids
pit-pair
parenchyma tissue
Internal Organization of Stems: Arrangement of Primary Tissues:
Vascular Tissues
xylem
phloem
Xylem
annual thickenings
scalariform thickening
tracheary element
vessel elements
tracheids
circular borded pits
helical thickening
border
reticulate thickening
pit membrane
perforation
vessel
Cortex
Phloem
sieve areas - group of pores
sieve tube
sieve pores
sieve plates
sieve element
sieve cells
sieve tube members
albuminous cells
companion cells
Epidermis
cutin - fatty substance
cuticle - build up of cutin
stoma
stomatal pore
guard cells
trichomes - hairs
Vascular Bundles
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pith
collateral
primary xylem
primary phloem
Stem Growth and Differentiation
protophloem
metaphloem
metaxylem
protoxylem
Primary growth
apical meristem
subapical meristem
provascular tissue
primary xylem
primary phloem
ground meristem
pith
cortex
protoderm
epidermis
Concepts
angiosperms
eudicots
monocots
primary plant body
basal angiosperms
secondary plant body
herbs
External Organization of Stems
terminal bud - tip of stem
phyllotaxy - arrangment of leaves
stolons - runners
leaf axil - above leaf attachment
bulbs - thick leaves
internodes - between nodes
corms - thin leaves
rhizomes
bud scales - outside covering
axillary bud - minature "shoot"
nodes - leaves are attached
tubers
Both types of sclerenchyma
Both have vascular bundles
