AnP Tissues
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AnP Tissues - Marcador
AnP Tissues - Detalles
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Sheet of cells that cover a body surface or lines a body cavity | Epithelial Tissue |
One layer | Simple |
Multiple layers | Stratified |
Single layer of flattened cells, disc shaped central nuclei | Simple Squamous Epithelium |
Single layer of tubelike cells with large, spherical central nuclei | Simple Cuboidal Epithelium |
Single layer of tall cells with round to oval nuclei, some cells bear cilia | Simple Columnar Epithelium |
Allows materials to pass by diffusion and filtration in sites where protection is not important, secretes lubricating substances in serosae | Function of Simple Squamous Epithelium |
Kidney glomeruli, airs sacs of lungs, lining of heart, blood vessels, and lymphatic vessels, lining of ventral body cavity | Location of Simple Squamous Epithelium |
Secretion and absorption | Function of Simple Cuboidal Epithelium |
Kidney Tubules, ducts and secretory portions of small glands, ovary surface | Location of Simple Cuboidal Epithelium |
Absorption; Secretion of mucus, enzymes. Ciliated type propels mucus or reproductive cells by ciliary action | Function of Simple Columnar Epithelium |
Mucus-secreting unicellular glands | Goblet cells |
Single layer of cells of differing heights some not reaching the free surface; nuclei seen at different levels, may contain cilia and goblet cells | Pseudostratified columnar epithelium |
Secretes substances, particularly mucus, propulsion of mucus by ciliary action | Function of Pseudostratified Columnar Epithelium |
Nonciliated type in male's sperm-carrying ducts and ducts of large glands; ciliated lines the trachea, most of the upper respiratory tract | Location of Pseudostratified Columnar Epithelium |
Several cell layers, basal cells are cuboidal or columnar and metabolically active; surface cells are squamous | Stratified Squamous Epithelium |
Protects underlying tissues in areas subjected to abrasion | Function of Stratified Squamous Epithelium |
Nonkeratinized type forms the moist linings of the esophagus, mouth and vagina, keratinized=epidermis | Location of Stratified Squamous Epithelium |
Generally two layers of cubelike cells | Stratified Cuboidal Epithelium |
Protection | Function of Stratified Cuboidal Epithelium |
Largest ducts of sweat glands, mammary glands, and salivary glands | Location of Stratified Cuboidal Epithelium |
Multiple cell layers; basal cells usually cuboidal; superficial cells are columnar | Stratified Columnar Epithelium |
Protection and secretion | Function of Stratified Columnar Epithelium |
Rare in the body; small amounts in male urethra and in large ducts of some glands | Location of Stratified Columnar Epithelium |
Resembles both Squamous and stratified cuboidal; basal cells are cuboidal or columnar; surface cells dome shaped or squamous like; depending on degree of organ stretch | Transitional Epithelium |
Stretches readily and permits dissension of urinary organs by contained urine | Function of Transitional Epithelium |
Lines the uterus, urinary bladder, and part of the urethra | Location of Transitional Epithelium |
Gel-like matrix with a ll 3 fiber types; fibroblasts, macrophages, mast cells, some white blood cells | Loose areolar connective tissue |
Wraps and cushions organs; macrophages "eat" bacteria; plays important role in inflammation; holds and conveys tissue fluid | Function of Loose areolar connective tissue |
Widely distributed under epithelia of body; forms lamina propria of mucous membranes; packages organs; surrounds capillaries | Location of Loose areolar connective tissue |
Closely packaged adipocytes; or fat cells; have nucleus pushed to the side by large fat droplet | Loose adipose connective tissue |
Provides reserve fuel; insulates against heat loss; supports and protects organs | Function of loose adipose connective tissue |
Under skin; around kidneys and eyeballs; within abdomen; in breasts | Location of loose adipose connective tissue |
Network of reticular fibers in a typical loose ground substance; reticular cells lie on the network | Loose reticular connective tissue |
Fibers form a soft internal skeleton (stroma) that supports other cell types; include white blood cells, macrophages, and mast cells | Function of Loose reticular connective tissue |
Lymph nodes, bone marrow, and spleen | Location of Loose reticular connective tissue |
Primarily parallel collagen fibers; few elastic fibers; major cell type is the fibroblast | Dense regular connective tissue |
Attaches muscles to bones or to other muscles; attaches bones to bones; withstands great tensile stress when pulling force is applied in one direction | Function of Dense regular connective tissue |
Tendons; most ligaments; aponeuroses | Location of Dense regular connective tissue |
Dense regular connective tissue containing a high proportion of elastic fibers | Elastic connective tissue |
Allows recoil of tissue following stretching; maintain pulsatile flow of blood through arteries; aids passive recoil of lungs following inspiration | Function of elastic connective tissue |
Walls of large arteries; within certain ligaments associated with the vertebral column; within the walls of the bronchial tubes | Location of elastic connective tissue |
Primarily irregularly arranged collagen fibers; some elastic fibers; major cell type is the fibroblast | Dense irregular connective tissue |
Able to withstand tension exerted in many direction; provides structural stength | Function of dense irregular connective tissue |
Fibrous capsules of organs and joints; dermis of the skin; submucosa of digestive tract | Location of dense irregular connective tissue |
Amorphous but firm matrix; collagen fibers form an imperceptible network; chondroblasts produce the matrix and when mature (chondrocytes) lie in lacunae | Hyaline Cartilage |
Supports and reinforces; serves as resilient cushion; resists compressive stress | Function of hyaline cartilage |
Forms most of the embryonic skeleton; covers the ends of long bones in joint cavities; forms coastal cartilages of the ribs, cartilages of the nose, trachea, and larynx | Location of Hyaline cartilage |
Similar to hyaline cartilage, but more elastic fibers in matrix | Elastic cartilage |
Maintains shape of a structure while allowing great flexibility | Function of elastic cartilage |
Supports the external ear; epiglottis | Location of elastic cartilage |
Matrix similar to but less firm than matrix in hyaline cartilage; thick collagen fibers predominate | Fibrocartilage |
Tensile strength with the ability to absorb compressive shock | Function of fibrocartilage |
Intervertebral discs; pubic symphysis, discs of knee joint | Location of fibrocartilage |
Hard, calcified matrix containing many collagen fibers; osteocytes lie in lacunae; very well vascularized | Osseous tissue (Bone) |
Bones | Location of osseous tissue |
Contained within blood vessels | Location of blood |
Neurons transmit electrical signals from sensory receptors and to effectors; supporting cells support and protect neurons | Function of nervous tissue |
Brain; spinal cord; and nerves | Location of nervous tissue |
Long cylindrical multinucleate cells; obvious striations | Skeletal muscle |
Voluntary movement; locomotion; manipulation of environment; facial expression; voluntary control | Function of Skeletal Muscle |
In skeletal muscles attached to bones or occasionally skin | Location of skeletal muscles |
Branching, striated, generally uninucleate cells that interdigitate at specialized junction called intercalated discs | Cardiac muscle |
As it contracts, cardiac muscle propels blood into the circulation, involuntary control | Function of cardiac muscles |
The walls of the heart | Location of cardiac muscles |
Spindle-shaped cells with central nuclei, no striations, cells are close together to form sheets | Smooth muscle |
Propels substances or a baby along internal passageways, involuntary control | Function of smooth muscle |
Mostly in the walls of hollow organs | Location of smooth muscle |