TAMU BIOL 319 Lab Practical 1
Multinucleated cell that secretes acid and proteases to dissolve bone matrix - ANSWER: Define: Osteoclast
Stem cell that gives way to osteoblasts - ANSWER: Define: Osteoprogenitor Cell
Derived from osteoprogentior cells; secretes organic components of bone matrix; can give way to osteocyte -
ANSWER: Define: Osteoblast
Derived from osteoblasts; involved in bone maintenance - ANSWER: Define: Osteocyte
The study of tissues - ANSWER: Define: Histology
Epithelial
Connective
Muscle
Nervous - ANSWER: What are the four main tissue types?
Lining and covering organs and their internal passageways - ANSWER: Where are epithelial tissues located?
The side of the epithelium that is exposed to the external environment/internal cavity - ANSWER: Define: Free
surface (wrt epithelium)
True - ANSWER: T/F: Epithelia are avascular
Basal Lamina - ANSWER: Epithelia are attached to the body via _____________.
Connective - ANSWER: Located below a basal lamina is a layer of __________ tissue.
Diffusion, absorption, and secretion - ANSWER: Main function of simple epithelia
,Cilia or microvilli - ANSWER: Simple epithelia generally have ______ or _______ on the free surface.
Secrete mucus that coat free surface of simple epithelial cells - ANSWER: Main function of goblet cells
Sweep mucus to remove debris - ANSWER: Main funtion of microvilli of simple epithelial cells
Increase surface area for absorption - ANSWER: Main function of cilia of simple epithelial cells
Areas exposed to friction/abrasion - ANSWER: Where are stratified epithelia cells found?
The type of cell at the free surface - ANSWER: When a stratified epithelium has more than one type of cell
___________ determines the classification of the tissue.
Glandular - ANSWER: ____________ epithelia IS vascularized.
Any gland within the body - ANSWER: Glandular epithelial cells make up ________.
Nourishment (exposure to vascular structures) - ANSWER: What determines an epithelial cell's ability to
regenerate?
Single layer of flat cells
Sparse cytoplasm
Central, disk-shaped nucleus - ANSWER: Physical description of simple squamous epithelium
Allow for diffusion
Filtration
Secrete lube in serosae - ANSWER: Function of simple squamous epithelium
Kidney glomeruli
Air sack of lungs
, Blood and lymphatic vessels
Lining of ventral body cavity (serosae) - ANSWER: Location of simple squamous epithelium
Serous membranes that line ventral body cavity and its organs - ANSWER: Location of mesothelium
Single layer of cube shaped cells
Large, spherical, central nuclei - ANSWER: Physical description of simple cuboidal epithelium
Secretion and absorption - ANSWER: Function of simple cuboidal epithelium
Kidney tubules
Ducts/secretory section of small glands
Ovary surface - ANSWER: Location of simple cuboidal epithelium
Single layer of tall cells
Round/oval nuclei
May posses cilia
May be located with goblet cells - ANSWER: Physical description of simple columnar epithelium
Absorption
Secrete mucus/enzymes/other
Propel mucus - ANSWER: Function of simple columnar epithelium
Digestive tract lining
Gallbladder
Excretory ducts of some glands
Small Bronchi
Uterine tubes - ANSWER: Location of simple columnar epithelium
Cuboidal or columnar
Multinucleated cell that secretes acid and proteases to dissolve bone matrix - ANSWER: Define: Osteoclast
Stem cell that gives way to osteoblasts - ANSWER: Define: Osteoprogenitor Cell
Derived from osteoprogentior cells; secretes organic components of bone matrix; can give way to osteocyte -
ANSWER: Define: Osteoblast
Derived from osteoblasts; involved in bone maintenance - ANSWER: Define: Osteocyte
The study of tissues - ANSWER: Define: Histology
Epithelial
Connective
Muscle
Nervous - ANSWER: What are the four main tissue types?
Lining and covering organs and their internal passageways - ANSWER: Where are epithelial tissues located?
The side of the epithelium that is exposed to the external environment/internal cavity - ANSWER: Define: Free
surface (wrt epithelium)
True - ANSWER: T/F: Epithelia are avascular
Basal Lamina - ANSWER: Epithelia are attached to the body via _____________.
Connective - ANSWER: Located below a basal lamina is a layer of __________ tissue.
Diffusion, absorption, and secretion - ANSWER: Main function of simple epithelia
,Cilia or microvilli - ANSWER: Simple epithelia generally have ______ or _______ on the free surface.
Secrete mucus that coat free surface of simple epithelial cells - ANSWER: Main function of goblet cells
Sweep mucus to remove debris - ANSWER: Main funtion of microvilli of simple epithelial cells
Increase surface area for absorption - ANSWER: Main function of cilia of simple epithelial cells
Areas exposed to friction/abrasion - ANSWER: Where are stratified epithelia cells found?
The type of cell at the free surface - ANSWER: When a stratified epithelium has more than one type of cell
___________ determines the classification of the tissue.
Glandular - ANSWER: ____________ epithelia IS vascularized.
Any gland within the body - ANSWER: Glandular epithelial cells make up ________.
Nourishment (exposure to vascular structures) - ANSWER: What determines an epithelial cell's ability to
regenerate?
Single layer of flat cells
Sparse cytoplasm
Central, disk-shaped nucleus - ANSWER: Physical description of simple squamous epithelium
Allow for diffusion
Filtration
Secrete lube in serosae - ANSWER: Function of simple squamous epithelium
Kidney glomeruli
Air sack of lungs
, Blood and lymphatic vessels
Lining of ventral body cavity (serosae) - ANSWER: Location of simple squamous epithelium
Serous membranes that line ventral body cavity and its organs - ANSWER: Location of mesothelium
Single layer of cube shaped cells
Large, spherical, central nuclei - ANSWER: Physical description of simple cuboidal epithelium
Secretion and absorption - ANSWER: Function of simple cuboidal epithelium
Kidney tubules
Ducts/secretory section of small glands
Ovary surface - ANSWER: Location of simple cuboidal epithelium
Single layer of tall cells
Round/oval nuclei
May posses cilia
May be located with goblet cells - ANSWER: Physical description of simple columnar epithelium
Absorption
Secrete mucus/enzymes/other
Propel mucus - ANSWER: Function of simple columnar epithelium
Digestive tract lining
Gallbladder
Excretory ducts of some glands
Small Bronchi
Uterine tubes - ANSWER: Location of simple columnar epithelium
Cuboidal or columnar
