Term
|
Definition
Least specialized of mature plant cells
no lignin
PSN in leaf cells
many types in mesophyll
storage in roots/stem
thin primary cell walls
alive at maturity |
|
|
Term
|
Definition
no lignin
support growing parts of plant
often grouped in strands/cylinders-stringy, tough stuff
alive at maturity
thicker walls than parenchyma |
|
|
Term
|
Definition
Thickest cell walls
lignin makes the walls boring and rigid
may be dead at plant maturity but not dead in vain!!! no, they produce secondary walls before death
fibery |
|
|
Term
|
Definition
Outer protective, absorptive tissue
Composed of: Epidermis
Cuticle
Root hairs |
|
|
Term
|
Definition
| Outer layer of cells on young shoots, roots, all leaves |
|
|
Term
|
Definition
| hehe earwaxy (waxy) secretion of epidermis that reduces water loss |
|
|
Term
|
Definition
| Projections (eeew growths) of epidermal cells in young root= increase surface area for absorption |
|
|
Term
|
Definition
A plants innerds
Provide transport and support:
Xylem
Phloem |
|
|
Term
|
Definition
Transports sugars (yum) aka photosynthates in any needed direction around the plant
alive at maturity
sieve tube members
companion cells |
|
|
