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Index
»
(ORLHSD1) - ORAL HISTOLOGY 1ST GRADING
»
Chapter 1
»
1.1 CELLS
level: 1.1 CELLS
Questions and Answers List
level questions: 1.1 CELLS
Question
Answer
Plasma membrane's 3 characteristics
Resistant, highly elastic, Repair
Two types of cells
Prokaryotic and Eukaryotic
Plasma membrane aka:
plasmalemma or cell membrane
protoplasm is combination of?
Nucleoplasm and cytoplasm
basic structural unit of living things
Cell
Ground substance?
Cytoplasm
cell that lacks nuclear envelope; substance mixed or is in direct contact with the protoplasm
Prokaryotic
has the presence of a true nucleus surrounded by nuclear envelope
Eukaryotic
part of cytoplasm nearer the nucleus; where organelles live.
Endoplasm
part of cytoplasm: no organelle
exoplasm
distinct cellular entities with essential fxs
Organelles
non-essential; temporary constituents
Inclusions
Ground substance of cytoplasm that is liquid; sol phase with active stream
endoplasm
Cytoplasm ground substance: gel stage
exoplasm
site of protein synthesis
ribosomes
complex organelle with flat tubules and networks
Endoplasmic reticulum
organelle containing ribosomes
Granular endoplasmic reticulum
what organelle in striated msc: release & capture Ca+ ions
Agranular endoplasmic reticulum
in what cells do Smooth ER fx for cholesterol & lipid metabolism and detox?
Liver cells
fx of smooth ER in endocrine gland
steroid biosynthesis
powerhouse of cell ?
mitochondria
acts as containers or ER
Cisternae
product of mitochondria
ATP
walls of mitochondria is called
cristae
discovered Golgi apparatus
Camillo Golgi
deliver raw materials to be processed
transport vesicle
organelle that is hard to see and stain
Golgi apparatus
outer portion of Golgi apparatus
trans face
part of Golgi apparatus that faces the nucleus
cis face
fx: refines substances and site for accumulation and conc. of secretory products
Golgi apparatus
product of Golgi bodies
hydrolytic enzymes
fx: digestion
lysosome
has hydrolytic enzyme mixture
lysosome
this type of lysosome rest with no fx
primary lysosome
what causes primary lysosome to be secondary?
fusion with other membrane bound substance
type of lysosome with active digestion
secondary lysosome
other term for centrosome
centrosphere
“cell center”
centrosome
the cytoplasm surrounding centriole pair
centrosome
fx: cell division
centrosome
self duplicating
centriole
test tube-like of centriole
short rods
centriole has __ microtubule with ___ groups in a rod
3 and 9
acts as basal bodies and site of epithelial celia
centriole
extension of centriole
flagella
aka cytoskeleton
filaments
24nm; long cylindric and slender
microtubule
8-12nm; for support
Intermediate filaments
8nm (4-15) in diameter
microfilaments
lifeless metabolites or cell products
cytoplasmic inclusions
sample of cytoplasmic inclusions
fat droplets
archive of cell
nucleus
Nucleus is absent in
RBC
particles that control the synthetic acts of cytoplasm
rRna, tRna and mRna
Part of nucleus: site of materials from nucleoplasm and cytoplasm exchange
nuclear pore
Part of nucleus: nucleus cover
nuclear envelope
Part of nucleus: contain DNA and proteins
nuclear chromatin
Part of nucleus: round
nucleolus
Part of nucleus: organized with paired chromatid
Chromosome
part of chromosome: paired part
chromatid
fx for storage
vacuole
peroxisome contains
hydroxy oxidase
fx for oxidation
peroxisome
identify A
inner membrane
identify B
outer membrane
identify C
cristae
identify D
matrix
IDENTIFY A
nuclear envelope
IDENTIFY B
chromatin
Identify C
nuclear pores
identify D
nucleus
identify E
nucleolus
identify F
cisternae
IDENTIFY A
incoming transport vesicle
identify B
lumen
IDENTIFY C
cisternae
IDENTIFY D
newly forming vesicle
IDENTIFY E
secretory vesicle