Bio101 3rd postlab edited from Kuya Paolo Regal
106
Exercise 11 1 Friday, March 4, 2011
-
Upload
girliefan-wrighter -
Category
Documents
-
view
1.794 -
download
1
Transcript of Bio101 3rd postlab edited from Kuya Paolo Regal
Exercise 11
1Friday, March 4, 2011
2Friday, March 4, 2011
CS of Catharanthus roseus stem showing the node.
DICOT
Leaf trace - conduction of materials in the leaves, transport of materials
Leaf Gap - parenchyma. fcn: storage and support.
UNILACUNAR NODE.
3Friday, March 4, 2011
4Friday, March 4, 2011
5Friday, March 4, 2011
6Friday, March 4, 2011
CS of Tradescantia stem showing the nodal anatomy
MONOCOT.
MULTILACUNAR TYPE
7Friday, March 4, 2011
Axillary Leaf or Leaf Branch.
STEM.
LEAF TRACE
Vascular Bundles. ATACTOSTELE.
Leaf Gap - parenchyma
Whole structure surrounding stem - LEAF SHEATH.
8Friday, March 4, 2011
9Friday, March 4, 2011
10Friday, March 4, 2011
EXERCISE 12
11Friday, March 4, 2011
CS of Aristolochia elegans mature stem showing medullary rays and crushed pith & phloem.
a.k.a. Dutchman's pipe
Cause of anomalous growth: Unequal activity of the cambium
crushed pith
medullary ray
crushed phloem
12Friday, March 4, 2011
ENDARCH
13Friday, March 4, 2011
BAST FIBERS - schlerenchyma
14Friday, March 4, 2011
15Friday, March 4, 2011
CS of Bignonia javanica mature stem showing phloem panels
a.k.a. garlic vine
16Friday, March 4, 2011
Cause of anomalous growth: unidirectional growth the cambium.
MESARCH
Almost linear arrangement of vessels.
TYPE OF WOOD according to distribution of xylem vessels- DIFFUSED
PHLOEM PANELS
17Friday, March 4, 2011
BAST FIBERS cap form
BAST FIBERS band form
18Friday, March 4, 2011
BAST FIBERS cap form
BAST FIBERS band form
19Friday, March 4, 2011
CS of Bauhinia (Alibangbang) mature stem showing linear arrangement of xylem vessels.
Cause of anomalous growth: unequal activity of the vascular cambium.
DIFFUSED POROUS. MESARCH.
20Friday, March 4, 2011
21Friday, March 4, 2011
crushed phloem
22Friday, March 4, 2011
CS of Bougainvilla spectabilis stem showing included phloem.
MEDULLARY VASCULAR BUNDLES. - bundles in the pith; significance: for greater transport system. therefore additional vascular structures.
Cause of anomalous growth: successive activity of the vascular cambium
23Friday, March 4, 2011
24Friday, March 4, 2011
25Friday, March 4, 2011
ENDARCH.
26Friday, March 4, 2011
27Friday, March 4, 2011
EXERCISE 13
28Friday, March 4, 2011
CS of Pteris stem showing meristeles.
TYPE OF STELE: Amphiploic siphonostele.
leaf parenchyma - LEAF GAP.
PITH comprising parenchyma.
MERISTELE
29Friday, March 4, 2011
CASPARIAN STRIP. - structure, layer
ENDODERMIS - cell
PERICYCLE
30Friday, March 4, 2011
SECRETORY CELLS
31Friday, March 4, 2011
MESARCH.
32Friday, March 4, 2011
CS of Pteridium rhizome/stem showing polycylic stele.
DIVISION - Pterophyta
33Friday, March 4, 2011
endodermis, casparian strip.
pericycle
schlerenchyma - band of fibers.
parenchyma
34Friday, March 4, 2011
35Friday, March 4, 2011
band of fibers.
36Friday, March 4, 2011
CS of Lycopodium stem showing plectostele.
plectostele - derived from actinostele.
** angiosperm organ that illustrates such arrangement - ROOT
VESSEL ELEMENTS instead of tracheids.
schlerenchyma - support.
ENDODERMIS (part of the cortex) origin: ground meristem
STELE. - encloses the vascular tissues.
PERICYCLE - origin: procambium.
37Friday, March 4, 2011
38Friday, March 4, 2011
EXARCH.
39Friday, March 4, 2011
40Friday, March 4, 2011
41Friday, March 4, 2011
HAPLOSTELE. EXARCH.
CS of Selaginella stem
42Friday, March 4, 2011
43Friday, March 4, 2011
EXERCISE 14
44Friday, March 4, 2011
CS of Ranunculus mature root showing tetarch
*to identify as YOUNG - no metaxylem vessels, xylem poles @ the periphery, large vessels at center.
*to identiify as MATURE - start of periderm formation.
WIDE CORTEX - for storage.
STARCH GRAINS. (pink)
45Friday, March 4, 2011
ENDODERMIS. CASPARIAN STRIP.
PASSAGE CELLS. parallel with xylem poles. easy entrance of food.
46Friday, March 4, 2011
CS of young Mongo root showing tetarch.
PARENCHYMA. not yet schlerenchyma
47Friday, March 4, 2011
48Friday, March 4, 2011
49Friday, March 4, 2011
VESSELS.
PERIDERM FORMATION - therefore breaking down of the structure.
CS of Mature Mongo Root showing vessels.
50Friday, March 4, 2011
LATERAL ROOT. from pericycle.
EXARCH.
51Friday, March 4, 2011
PERIDERM FORMATION.
52Friday, March 4, 2011
53Friday, March 4, 2011
CS of Commelina benghalensis root showing polyarch
MONOCOT - polyarch. presence of pith.
54Friday, March 4, 2011
PITH.
EXARCH.
LACUNA
55Friday, March 4, 2011
56Friday, March 4, 2011
CS of Zea mays root showing the polyarch formation.
vs. commelina: increase in the numbers of vessels, bigger pith, wider cortex
schlerenchyma
hypodermis.
57Friday, March 4, 2011
58Friday, March 4, 2011
schlerenchyma
OUTER HYPODERMIS & INNER ENDODERMIS
59Friday, March 4, 2011
CS of old Pinus root showing secondary growth.
tracheids.
xylem ray.
60Friday, March 4, 2011
RESIN DUCT - secretes resin. Resin cells (casing cells) - "epithelium" of the resin canal.
casing cells
61Friday, March 4, 2011
62Friday, March 4, 2011
63Friday, March 4, 2011
CS of Tilia root.
PRIMARY XYLEM
64Friday, March 4, 2011
MATURE - presence of periderm
type of wood - RING POROUS.
ENDARCH.
POLYARCH.
65Friday, March 4, 2011
66Friday, March 4, 2011
67Friday, March 4, 2011
EXERCISE 15
68Friday, March 4, 2011
CS of Pinus insularis showing fascicle.
PINE MIDDLE - enlarged phyllode or petiole.
FASCICLE - LEAF BUD.
sunken stomata.
PLICATE MESOPHYLL. - folded or twisted
TRANSFUSION TISSUE -parenchyma - storage, tracheid - conduction
69Friday, March 4, 2011
70Friday, March 4, 2011
71Friday, March 4, 2011
CS of Cycas leaf showing midrib.
MIDRIB.
LAMINA.
ACCESSORY TRANSFUSION TISSUE.
LAMINA.
PALISADE
SPONGY.
BIFACIAL = DORSI-VENTRAL LEAF
72Friday, March 4, 2011
73Friday, March 4, 2011
HYPOSTOMATIC
74Friday, March 4, 2011
75Friday, March 4, 2011
CS of Zea mays showing lamina.
Bulliform cells - adaxial side.
cuticle.
bundle sheath.
76Friday, March 4, 2011
CS of Zea mays showing primary vein.
77Friday, March 4, 2011
CONVERGENT Mesophyll
78Friday, March 4, 2011
79Friday, March 4, 2011
angular collenchyma
CS of Lilium sp. leaf showing primary vein.
80Friday, March 4, 2011
81Friday, March 4, 2011
82Friday, March 4, 2011
83Friday, March 4, 2011
84Friday, March 4, 2011
85Friday, March 4, 2011
CS of Ixora coccinea showing midrib.
angular collenchyma.
secretory structures
86Friday, March 4, 2011
87Friday, March 4, 2011
SECONDARY VEIN
88Friday, March 4, 2011
89Friday, March 4, 2011
CS of Ficus elastica showing unifacial type
90Friday, March 4, 2011
MULTISERIATE - ADAXIAL
Ficus elastica midrib
91Friday, March 4, 2011
92Friday, March 4, 2011
93Friday, March 4, 2011
94Friday, March 4, 2011
95Friday, March 4, 2011
96Friday, March 4, 2011
SYRINGA
97Friday, March 4, 2011
98Friday, March 4, 2011
99Friday, March 4, 2011
Laterally oriented vein. CS of Syringa.
100Friday, March 4, 2011
101Friday, March 4, 2011
102Friday, March 4, 2011
COMPOSITE Vascular Bundles.
103Friday, March 4, 2011
104Friday, March 4, 2011
105Friday, March 4, 2011
Laterally oriented vein.
SOURCES• Monique’s camera• Kuya YB’s multiply account– http://waybi0715.multiply.com/photos
• http://www1.fccj.cc.fl.us/dbyres/plants.htm
106Friday, March 4, 2011
![Pharma Ni Kuya[1]](https://static.fdocuments.net/doc/165x107/577cd65a1a28ab9e789c25a3/pharma-ni-kuya1.jpg)
