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33 Cards in this Set

  • Front
  • Back
4 types of tissue
Nervous, Muscular, Epithelial, Connective
3 Primary Germ layers of tissue
Ectoderm, Mesoderm, Endoderm
Tight Junctions
Forms fluid-tight seals between cells
Adherens Junctions, Desmosomes, Hemidesmosomes
Anchors cells to one another or to basement membrane
Gap junctions
Allows electrical and chemical signals to pass cell to cell
3 Surfaces of epithelium
Simple Squamous function and location
Filtration or diffusion.

One type is endothelium found in heart and blood vessels

Mesothelium forms serous membranes
Simple Cuboidal functiona and location
Secretion and absorbtion

Found in Kidneys and eyes
Nonciliated simple Columnar Function and location
Has microvilli to absorb and Goblet cells to secrete mucus

Found in Gastrointestinal tract
Ciliated simple Columnar Function and location
Moves foreign particles out of trachea

Found in upper respiratory tract
Pseudostratified Columnar Function and location
Ciliated type lines upper respiratory

Nonciliated has no goblet cells and lines ducts, epididymis and male urethra
Stratified squamous Function and location
Nonkeratinized lines mouth

Keratinized forms Stratum corneum
Stratified cuboidal Function and location
Found in sweat glands and male urethra
Stratified columnar Function and location
Found in male urethra and large excretory ducts
Transitional Epithelium Function and location
Prevents distention. Found in the uterus
Endocrine Glands and examples
Secretes hormones directly into Blood

Exocrine Gland and examples
Secretes hormones through ducts

I.e oil, sweat, mucus
Acinar and Tubular
Shapes of multicellular exocrine Glands
Functional classifications of Exocrine Glands
Holocrine - Cell kills itself
Apocrine - Products gather up and pinches off
Merocrine - Products leave via vesicles
Connective Tissue cell types and functions
-Fibroblasts secrete Matrix
-Macrophages eat stuff
-Plasma Cells secrete antibodies
-Mast Cells secrete histamine
-Adipocytes stores triglycerides
-White blood cells come from blood
What is extracellular matrix of Connective tissue composed of?
Ground substance and Fibers
Locations of Collagen/Elastic/Reticular Fibers
Collagen-Tendons, ligaments, Bone
Elastic-Skin, blood vessel wall, Lungs
Reticular- around Fat cells, nerve, skeletal and smooth muscle cells
Mesenchyme and Mucous connective tissue
Mesenchyme forms all other connective tissues

Mucous connective tissue supports umbilical cord
5 types of Mature connective Tissue
3 types of Loose connective Tissue and functions
Areolar - Provides strong support
Adipose - Stores triglycerides
Reticular - Found in Liver, spleen for support
3 Types of Dense connective tissue and functions
-Dense regular forms tendons and ligaments
-Dense irregular forms dermis of skin
-Elastic supports lungs and arterial walls
3 types of Cartilage and functions
-Hyaline cartilage is most abundant but weakest, very flexible and allows movement and provides support

-Fibrocartilage very strong found between vertebrae

-Elastic - maintains shapes such as ears
2 growth mechanisms of cartilage
Interstitial Growth - Grows from within the cartilage

Appositional growth - grown outside and deposited on
What 2 things contributes to hardness of bone?
-Mineral salts and collagen fibners
Function of Osteocytes
-supports and stores nutrients for bone
Difference between blood and lymph
Lymph has less protein
3 types of epithelial membrane and functions
Mucous - Lines organs open to experior i.e lungs intestines
Serous - Lines closed cavities, parietal and viceral sides pleura

Cutaneous - skin
Synovial membranes
Not epithelial and lines joint cavities. Contains areolar instead of epithelial