Tissues Flashcards
The most common type of cartilage found in the body, it is composed of closely packed collagen fibers that make it tough but more flexible than bone ( found at the ends of bones and In joints)
Hyaline cartilage
Contains a plethora of electric fibers which form dense, branching bundles that appear black microscopically. (Found in the pinnae of animals)
Elastic cartilage
Contains thick bundles of collagen fibers, but has fewer chondrocytes. (Found in the spaces between vertebrae of the spine, between bones in the pelvic girdle and the knee joint)
Fibrocartilage
Glands that do not have ducts or tubules and whose secretions are distributed throughout the body
Endocrine glands
Posses ducts that discharge secretions directly into nearby areas where they may cover cell surfaces or empty into body cavities
Exocrine glands
The ductless goblet cell
Unicellular glands
The entire secretory cell is destroyed in the act of releasing its secretory product
Holocrine glands
Are watery and contain high concentration of enzymes
Serous secretions
Involves the loss of the top part of the cell, called the apex of the secretory cell (can be found in mammary tissue)
Apocrine glands
The secretory cells remain intact during the secretory process ( pancreas, sweat glands, and salivary glands)
Merocrine glands
A mucus produced by glands to reduce friction between organs and assist with the passage of food and waste
Mucin
Specialized protein molecules that are produced in through the rough endoplasmic reticulum, packaged into granules by the golgi and discharged from the cell.
Secretions
A layer of mucus which are disease fighting molecules that help to protect animals from pathogens
Immunoglobulins
Bacteria and viruses
Pathogens
Found everywhere in the body and Is the most abundant tissue by weight. Provides support, insulation, and plays a role in the healing process. ( blood, tendons, fat, cartilage, bone)
Connective tissue
Lines and covers other tissues, absorbs nutrients, manufactures secretions and excretions. (Outer layer of skin, membranes, glands)
Epithelial tissue
Acts as a barrier between the epithelial cell and the underlying connective tissue. It’s strength and elasticity help prevent the cell from being torn off by stretching and erosion.
Basement membrane
Simple squamous epithelial tissue can be found where
Lining of the lungs, chest, and abdominal cavities
Simple cuboidal epithelial tissue can be found where
Found in the surface of the ovaries, thyroid, and the lining of the liver, pancreas, kidney, and salivary gland.
Simple columnar epithelial tissue can be found where
Lining the length of the gastrointestinal tract from the stomach to the rectum.
Stratified squamous epithelial tissue can be found where
Occurs in regions of the body that are subject to chemical and mechanical stress such as the linings of the mouth, esophagus, vagina, and rectum.
Transitional epithelial tissue can be found where
Great at stretching and can be found in portions of the urinary tract, urethra, ureters.
Pseudostratified eptihelial tissue can be found where
Can be found in Portions of the trachea ect
A tangle of randomly packed fibers and cells suspended in a thick, translucent, found substance. Most common type of connective tissue. It act’s generally as packing material to support and cushion organs ect.
Loose or Areolar connective tissue
Most commonly known as fat. Found beneath the skin in spaces between muscles, behind the eye, the surface of the heart ect.
Adipose or loose connective tissue
Forms the stroma and contains only one type of fiber (reticular fibers) . Framework for several organs such as the liver, spleen, lymph nodes, and bone marrow. Found in limited areas.
Reticular or loose connective tissue
Composed of tightly packed parallel collagen fibers. Is silvery or white. Slow to heal, make up the tendons that attach muscles to bone and the ligaments that hold bones together at joints
Dense regular connective tissue
Composed of primarily of collagen fibers that’s re arranged in thicker bundles. Found in the dermis of the skin and in the fibrous coverings of organs.
Dense irregular connective tissue
Extremely flexible ligaments. Have high concentration of elastic fibers. Lies beneath the transitional epithelium in the urinary tract and regions of the heart due to needed stretching
Elastic connective tissue
First step of healing is what
Inflammation
The second step of healing is what
Organization (the formations of granulation tissue )
The third step of healing is what
Regeneration or fibrosis (scar tissue)
