Exam One- Gen/Hist/Integ/Bone Flashcards
Describe Nervous tissue
Branching cells called axons and support glial cells
What is inflammation?
The collection of fluids in damaged tissues.
The main function of Areolar Loose CT
CBP
Cushioning, Binding and Packing
What is the basic function of a white blood cell?
immune function
What is the function of Strat. Squam. ET
Protection from friction/abrasion
What is the function of Dense Irregular CT?
Offers support and strength in areas move in multiple directions.
What is the matrix within Blood CT?
Blood Plasma
Describe reticular fibers and how they present in CT
Small, delicate collagen fibers that branch out and form networks. Create jungle-gym structures within some glands and organs to allow ample occupation of cells
How does elastin present in CT?
As a branched network or sheets
Describe bone tissue
Tree rings
What cells are located in the stratum basale?
Their orientation?
A single cell row of young kertinocytes
and the basement membrane
melanocytes to protect the reproducing cells
Name two locations where you could find Sim. Colum ET
(non-ciliated) lining of the GI tract
Gallbladder, ducts of some glands
(ciliated)Lining of the bronchi
lining of the uterine tubes
What type of cell produces cartilage matrix?
Chondrocytes
What is the function of Hyaline cartilage?
Support and reinforcement.
Cushion of joints
Allows resistance from compression
What are the three types of Cartilage?
Hyaline, fibrocartilage, and elastic
What is Cartilage?
A dense network of collagen and elastic fibers.
A cell ending in -cyte is a
mature cell
What type of junctions do Keratinocytes use?
desmosomes
Cells linked by filaments
What are Keratohyaline granules?
keratin released from the cells
What is the function of Adipose Loose CT?
Insulation, energy reserve, shock absorbtion
What are the two main layers of the Skin?
Epidermis
Dermis
A cell ending with -blast is a
Young, bud/germs
Where is connective tissue located?
examples of CT?
Basic functions?
Is it alive?
All over the body
Blood
Protection, binding of organs, transport of nutrition.
Some of it is but mostly it is matrix
Where can strat colum. Et be found?
pharynx, male urethra, transition areas between two types of et
The study of tissues is also know as_____
Histology
What fiber types are withing the matrix of Areolar Loose CT
Collagen
Elastin
Where is Skeletal muscle CT found?
attached to bones and occasionally skin
Dendritic cells are also known as?
Langerhans cells
What is the ground substance of CT?
The majority of CT. This forms an acellular mass that makes up the matrix of CT when combined with fibers
What is the general function of Cartilage?
forms a supporting framework of some organs, articulating surfaces of joints, and forms most of the fetal skeletons
ET does not have a direct blood supply this is called _____
Avascular
What properties does collagen give to fiber.
Offers strength. Resists pulling forces but is still flexible
Just like a rope
What layer of the epidermis is only present in thick skin on the heels and palms?
The stratum Lucidum
Lucid-Above
What are some functions of CT?
Support-bones
Defense-blood/muscle/bones/cartilage
Movement-muscle/cartilage
Where can Strat CUBE ET be found?
Some sweat glads and in mammary glands
Reticular loose connective tissue form what structures?
Bone marrow
Stroma of lymphatic structures
spleen
liver
Areolar Loose CT holds a reservior of ____ and ___ equal to circulatory volume
Water and Salts
How is elastin different from collagen?
It is much smaller in diameter
It is very elastic. It can stretch 150% and recoil
Where are melanocytes found?
What layer?
The basale layer of the epidermis
What is the basic composition of bone CT?
Cells in a calcified matrix
Describe fibrocartilage.
thinner strips of collagen that is similar to hyaline but thinner and stacked
Epithelial tissue is polar. What does this mean?
ET has defined upper and lower portions
The Apical free side and the Basal surfaces
What is the stratum basale attached to?
the dermis.
What is the basic function of a red blood cell?
Oxygen transport
Collagen is cushiony. How does it become cushiony?
it attracts and absorbs water
What are merkel cells?
Touch receptors. that send information to nerve cells
What is the function of Bone CT?
Support, protection, movement, Mineral and fat storage, site of hematopoiesis
Apart from support, what is another function of reticular fiber? happens in the spleen and lymph nodes
Filtration of blood via presence of macrophages
What are the three stages of tissue repair?
CMM
Clotting of blood
Multiplication of Epi cells-over granulation tissue
Restored cells mature and contracts
How many layers in the stratum spinosum?
What are the layers composed of?
what occurs at this level?
8-10 layers of Kertinocytes
At this level they are forming pre-keratin filaments and filling with lipids
Where can trans. ET be found?
the bladder
What are the three major types of ET Membranes? Where can they be found? (MSC)
Mucous-Lining the nasal cavity/esophag/bronchi
Serous-The outter surface/lining of visera
Cutaneous- Forms the skin
What are the three layers of the gastrula
Ectoderm
Mesenchyme
Endoderm
How is the ET attached to surfaces?
ET connects to CT via a basement membrane
What is a epidermal dendritic cell?
Describe.
Its function?
Immune cells produced in bone marrow
Epidermal phagocytic macrophages
star-shaped
They wander the epidermis and eat dead cells, activate immune system, eat invading microbes
What is the strongest type of cartilage CT found in the body? its function?
Fibrocartilage
Tensile strength with the ability to absorb compression forces.
What is the dominant CT fiber type?
Collagen
Describe the stratum lucidum
A thin transparent band. Rows of flat, dead keratinocytes
What is granulation tissue?
A network of Fibers and restored blood vessels.