Plant Tissues and Organs

1
Plant Tissues and Organs

• Annuals
• Biennials
• Perennials
• Dicots
• Monocots
• Cotyledon
• Root system
• Shoot system

• SIMPLE TISSUES
• Meristems
• Apical meristems
• Primary growth
• Cambialateral meristems
• Secondary growth
• Woody plants
• Vascular cambium
• Cork cambium

2
(No Transcript)
3
Simple Tissues

• Parenchyma
• Photosynthesis, storage, transport, healing,
  production of new plant parts.
• Palisades and spongy parenchyma

• Collenchymasupport cellcigar shaped. (celery)
• Sclerenchyma
• Walls contain ligninelastic and strong.

4
Tissue Systems

• Dermal tissue system (epidermis)
• Cuticle
• Functions
• Guard cells
• Stomates
• Periderm or bark

• Vascular Tissue System
• Xylem and phloem
• Xylemmade of tracheids and vessel membersdead
  cells
• Perforated
• Secondary xylem forms wood
• Growth rings
• transpiration

5
(No Transcript)
6
(No Transcript)
7
(No Transcript)
8
Tissue Systems

• Phloem
• Sieve tube members
• Companion cells
• Phloem loading

9
Plant Organs

• Stem
• Primary stem tissues
• Secondary stem tissues
• Pith
• Pith-parenchyma
• Cortex
• Dicot vs. monocot

10
(No Transcript)
11
(No Transcript)
12
(No Transcript)
13
Roots

• Tap root system
• Fibrous Root System
• Root hairs
• Adventitious roots
• Root cap
• Apical meristem
• Endodermis
• Casparian strip

14
Leaves

• Blade
• Petiole
• Simple leaf
• Compound leaf
• Leaflet
• Mesophyll
• Palisade parenchyma
• Spongy parenchyma

• Venation
• Parallel veins
• Net veins

15
(No Transcript)
16
(No Transcript)
17
(No Transcript)
18
(No Transcript)
19
(No Transcript)