View
- Term
- Definition
- Both Sides
Study
- All (58)
Shortcut Show
Next
Prev
Flip
Lab 1: Biol 319
Epithelial tissue basic function |
covering |
Connective tissue basic function |
support |
Muscle tissue basic function |
movement |
Nervous tissue basic function |
control |
Where is epithelial tissue? |
covers a body surface or lines body cavity; forms parts of most glands |
5 functions of epithelia |
-protection
-diffusion
-absorption, secretion, ion transport
-filtration
-forms slippery surfaces |
Types of epithelia |
-simple or stratified
-squamous, cuboidal, or columnar |
Stratified epithelia regenerate from ____ |
below; the basal layer |
Major role of stratified epithelia is ____ |
protection |
Stratified epithelia is name by the shape of cells at the ____ |
apical layer |
What is the most diverse and abundant tissue? |
connective |
4 classes of connective tissue |
-connective tissue proper
-cartilage
-bone tissue
-blood |
In connective tissue, cells are separated by a large amount of ____ |
extracellular matrix |
Extracellular matrix is composed of ____ and ____ |
ground substance and fibers |
Common embryonic origin of connective tissue is ____ |
mesenchyme |
What produces the matrix of connective tissue? |
primary cell type |
What do fibroblasts do? |
-make protein subunits
-secrete molecules that form the ground substance |
Chondroblasts secrete matrix in ____ |
cartilage |
Osteoblasts secrete matrix in ____ |
bone |
What cells (in connective tissue) do NOT produce a matrix? |
blood cells |
What are the 3 types of fibers? |
-collagen fibers
-reticular fibers
-elastic fibers |
What fiber is the strongest, and resists tension? |
collagen |
What fiber is a bundles of special type of collagen, covers and supports structures? |
reticular |
What fiber contains elastin, and recoils after stretching? |
elastic |
What makes up areolar connective tissue? |
-fat cells
-white blood cells
-mast cells |
In connective tissue, what produces the ground substance? |
primary cell type |
TRUE/FALSE:
cartilage contains blood vessels and/or nerves |
FALSE: contains NO blood vessels or nerves |
The cartilage matrix contains up to __% water. |
80 |
Blood is an ____ connective tissue |
atypical |
Blood is surrounded by what type of matrix? |
nonliving |
In bone tissue, ____ secrete collagen fibers and matrix |
osteoblasts |
In bone tissue, ____ are mature bone cells in lacunae |
osteocytes |
TRUE/FALSE:
bone tissue is well vascularized |
TRUE |
Bone tissue has a ____ matrix containing ____ fibers. |
calcified
collagen |
What tissues do NOT regenerate? |
-cardiac MT
-nervous tissue |
What tissues regenerate GOOD? |
-ET
-bone CT
-areolar CT
-dense irregular CT
-blood forming CT |
4 structures of a membranous bone fetal skull |
-developing intramembranous bone
-paranasal sinus
-nasal cavity
-oral cavity |
The membranous bone fetal skull shows early development before ____ ____ occurs. |
embryonic ossification |
In the membranous bone fetal skull, the skull tissue has differentiated from embryonic mesenchyme into ____ ____ |
intermembranous tissue |
____ bone regions border compact bone regions in the ____ of long bones and within flat bones. |
spongy
epiphysis |
2 structures of human spongy bone |
-dense bone
-trabeculae of spongy bone |
6 regions of human fetal nail development, fingertip |
-zone of reserve cartilage
-zone of proliferation & maturation
-zone of hypertrophy
-zone of calcifying cartilage
-zone of osteogenesis
-chondrocyte in lacunae |
Growth plates are composed mainly of ____ and found in the ____ bones of growing juveniles. |
hyaline cartilage
long |
In growth plates, the cartilaginous bands are located between the ____ and its adjoining ____ |
diaphysis
epiphysis |
Chrondoblasts proliferate by ____ and migrate toward the ____ and are enlarged in the zone of ____ |
mitosis
diaphysis
osteogenesis |
A polynucleated osteoclast dissolves and releases ____ from the extracellular bone matrix. |
calcium salts |
Osteoclasts dissolve by secreting ____ and ____ |
hydrochloric acid and collagenases |
3 structures in human developing membrane bone |
-osteoclast
-trabeculae
-osteocyte in lacuna |
Spaces between trabeculae function as passageways for interconnecting networks of ____ and ____ |
blood vessels and hematopoetic tissue |
3 structures of human developing membrane bone |
-osteocyte in lacuna
-osteoblast
-trabeculae |
7 structures of human bone decalcified |
-haversian canal
-dense bone
-osteocyte in lacuna
-sharpey's fiber
-periosteum
-bone marrow
-adipocyte |
Periosteum is made of an outer layer of ____ attached to the outer bone surface via ____ |
dense irregular connective tissue
sharpey's fiber |
red bone marrow (____) provides the genesis for all ____ |
hematopoetic
blood cells |
7 structures of human compact bone |
-osteocyte in lacuna
-osteon
-Volkmann's canal
-Haversian canal
-canaliculus
-interstitial lamellae
-concentric lamellae (several) |
Each osteon contains a ____ for nerves and blood vessels to pass thru. |
haversian canal |
____ run perpendicular to haversian canals |
Volkmann's canals |
Individual osteocytes reside within their own ____ between the ____ |
lacunae
lamellae |
Osteocytes exchange extracellular fluid thru the ____ adjoining neighboring lacunae |
canaliculi |