Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Histology 11th grade
| Term | Definition |
|---|---|
| Epithelial Location (Function) | Covers body surface, lines hollow organs, body cavities and ducts, also forms glands |
| Connective Functions | Protects and supports body and its organs, binds organs together, stores E as fat reserves, provides immunity |
| Muscle Function | Movement and generation of force |
| Nervous Function | Initiates and transmits action potentials that help coordinate body activity |
| Tight Junctions | form fluid-tright seals b/t cells, common in epithelials that line stomach, urinary bladder and intestines |
| Anchoring Junctions | fasten cells one to another or to EC material, common in tissues subject to friction and stretching-skin, heart, uterus, GI tract |
| Communicating Junctions | allow rapid spread of AP, common in nervous system, heart, and GI tract |
| Epithelial Tissues Characteristic | have a free surface (apical) |
| Epithelial Tissues Characteristic | have a basement memebrane (basal, CT) |
| Epithelial Tissues Characteristic | avascular, exchange material by diffusion |
| Epithelial Tissues Characteristic | cells readily divide |
| Epithelial Tissues Characteristic | cells tightly packed, arranged in sheets |
| Epithelial Tissues Characteristic | cells often have desmosomes |
| Epithelial Tissue Functions | protection, secretion, absorption, excretion |
| Epithelial Tissues Characteristic | classified according to cell shape and number of cell layers |
| Epithelial Layers | simple, stratified, pseudostratified |
| Squamous shape | flat |
| cuboidal | cube-like |
| columnar | rectangular |
| transitional | variable |
| Simple squamous Description | single layer of flat cell, substances easily pass through, easily damaged |
| Simple squamous Location | line air sacs, blood vessels, lymphatic vessels, body cavities |
| Simple squamous Function | Filtration, diffusion, osmosis |
| Simple squamous Tissue type | Epithelial |
| Simple cuboidal Description | Single layer of cube-shaped cells, centrally located nuclei |
| Simple cuboidal Location | line kidney tubules, cover ovaries, line ducts of salivary, pancreas, and liver glands |
| Simple cuboidal Function | absorption and sectretion |
| Simple columnar description | single layer of elongated cells, nuclei at same level, basement membrane, ciliated/non-cilitated, sometimes posses microvilli, often have goblet cells |
| Simple columnar Location | line uterus, stomach, intestines |
| Simple columnar Function | absorption, secretion, protection |
| Pseudostratified columnar Description | single layer of elongated cells, appear striated, nuclei at different levels, often have cilia, often have goblet cells |
| Pseudostratified columnar Location | line respiratory passageways |
| Pseudostratified columnar Function | secretion, protection, movement of mucus and substances |
| Stratified squamous Description | many cell layers, top cells flat, can accumulate keratin (protein), outer layer of skin |
| Stratified squamous Loction | line oral cavity, throat, vagina, anal canal |
| Stratified squamous Function | Protects underlying tissues in areas subject to abrasion |
| Stratified cuboidal Description | 2-3 layers of lining of lumen, cube shaped cells |
| Stratified cuboidal Location | line ducts of mammary glands, sweat glands, salivary glands, and the pancreas |
| Stratified columnar Description | top layer of elongated cells, cube shaped cells in deeper layers |
| Stratified columnar Location | line vas deferens, male urethra, and part of pharynx |
| Transitional Description | many cell layers, cube shaped and elongated, expandable lining/barrier |
| Transitional Location | line urinary bladder, utreters, and part of urethra |
| Glandular Epithelium | composed of cells that are specialised to produce and secrete substances |
| Simple cuboidal Tissue type | Epithelial |
| Simple columnar Tissues type | Epithelial |
| Pseudostratified columnar Tissue type | Epithelial |
| Stratified squamous Tissue type | Epithelial |
| Stratified cuboidal Tissue type | Epithelial |
| Stratified columnar Tissue type | Epithelial |
| Transitional Tissue type | Epithlial |
| Glandular Epithelium Location | within columnar or cuboidal epithelium |
| Endocrine gland | ductless |
| Endocrine gland Function | secrete into tissue fluids |
| Exocrine gland | have ducts that open to the skin or lining of digestive tracts |
| Unicellular | one cell, goblet |
| Multicellular | many cells, sweat glands, salivary glands |
| Simple Exocrine gland | Duct with no branching |
| Compound Exocrine gland | Duct with branching |
| Tubular gland | have epithelial lined tubes |
| Alveolar gland | sac like dilations at terminal ends |
| Merocrine gland product | fluid |
| Merocrine gland release | exocytosis |
| Merocrine gland location | salivary glands, pancreas, sweat glands |
| Apocrine gland product | cellular product |
| Apocrine gland secretes | portions of cells |
| Apocrine gland location | mammary, ceruminous |
| Holocrine gland product | secretory |
| Holocrine gland releases | whole cells (disintegrate cell) |
| Holocrine gland Location | sebacious glands |
| Serous cells | water, high concentration of enzymes |
| Mucous cells | thicker fluid, mucin protein |
| Connective Tissue Description | most abundant tissues type, cells far apart with extracellular matrix, highly vascular exept for cartilage and tendon, cells usually divide |
| Connective Tissue Function | bind structures, support and protect organs, frame work of body, fill spaces, store fat, produce blood cells, protect against infecitons, help repair tissue damage |
| Fibroblast Description | fixed cell, most common cell, connective |
| Fibroblast Shape | star |
| Fibroblast Function | produce fibers into ECM |
| Mast cell Description | fixed cell, large, connective |
| Mast cell Location | Near blood vessels |
| Mast cell Function | releases histamine and heparin |
| Macrophage cell Description | wandering cell, phagocytic |
| Macrophage cell Function | defense |
| Collagenous Fiber Description | thick, grouped in long bundles, composed of collagen |
| Collagenous Fiber Location | abundant in dense CT, tendons, ligaments |
| Collagenous Fiber Function | tensile strength, hold structures together |
| Reticular Fiber Description | thin collagenous fibers, highly branched |
| Reticular Fiber Function | form supportive networks |
| Reticular Fiber Location | spleen, liver, lymph nodes |
| Elastic Fiber Description | bundles of microfibrils (yellow fibers) embedded in elastin, fibers branch, elastice |
| Elastic Fiber Location | vocal cords, air passages |
| Connective tissue proper Description | loose conective tissue (areolar), adipose, reticular, dense connective, and elastic connective tissues |
| Loose connective tissue Description | thin delecate membranes, mainly fibroblasts, fluid to gel like matrix, highly vascularized |
| Loose connective tissue fibers | collagenous and elastic |
| Loose connective tissue Location | beneath most epithelium, fills spaces between muscles |
| Adipose tissue description | adipocytes |
| Adipose tissue Function | cushions joints and organs, insulates, store fats in cytoplast |
| Adipose tissue Location | beneath skin, behind eyes, around kidneys and heart |
| Blood Description | fluid matrix (plasma), RBC, WBC, platelets |
| Blood Function | transports, defends, clotting |
| Blood Location | thorughout blood vessels, heart |
| Reticular CT Description | composed of thin callagenous fibers |
| Reticular CT Function | supports organs |
| Reticular CT Location | framework of walls of liver, spleen, lymphatic organs |
| Dense CT Description | packed collagenous fibers, elastic fibers, few fibroblasts, poor blood supply |
| Dense CT Function | bind body parts together |
| Dense CT Location | tendons, ligaments, dermis |
| Elastic CT Description | sub epidermal, some collagenous fibers, fibroblasts |
| Elastic CT Location | abundant in elastic fibers, attachments between vertebrae, wolls of large ateries, airways, heart |
| Bone Description | solid matrix, osteocytes in lacunae |
| Bone Location | skeleton, spongy and compact bone |
| Bone Function | supports, protects, forms blood cells, attachment for muscles |
| Cartilage description | rigid matrix,chondrocytes in lacunae, poor blood supply |
| Cartilage types | hyaline, elastic, fibrocartilage |
| Hyaline cartilage description | most abundant |
| Hyaline cartilage Location | ends of bones, nose, respiratory passages, embryonic skeleton |
| Elastic Cartilage Description | flexible |
| Elastic Cartilage Locaiton | external ear, larynx |
| Fibro cartilage Description | tough, shock absorber |
| Fibro cartilage Location | intervertebral discs, pads of knee, pelvic girdle |
| Muscle Tissue Description | cells called muscle fibers, contractile, three types, skeletal, smooth, cadiac |
| Skeletal Muscle | attached to bones, striated |
| Skeletal muscle Motion | voluntary |
| Smooth muscle | walls of organs, skin, walls of blood vessels, not striated |
| Smooth muscle Motion | involuntary |
| Cardiac muscle | heart wall, striated, intercalated discs |
| Carciac muscle Motion | involuntary |
| Nervous Tissue | basic cells neurons, neurological cells support cells |
| Nervous Tissue Location | brain, spinal cord, peripheral nerves |
| Nervous Tissue Function | sensory reception, conduction of nerve impulses |
| Serous Membrane Location | line body cavities that lack opening to outside, inner lining and covering of thorax and abdomen |
| Serous Membrane Function | reduce friction, secrete serous fluid |
| Mucous Membrane Location | line tube and organs that open to outside world, lining of mouth, nose, throat, ect. |
| Mucous Membrane Function | secrete mucus |
| Cutaneous Membrane Location | Covers body, skin |
| Chondrodysplasia | collagen chains too wide, stunted growth, deformed joints |
| Hereditary osteoarthritis | change in amino acid in collagen, painful joints |
| Dsytrophic eapidermolysis bullosa | breakdown of collagen that attaches skin layers, stretchy skin, lax joints |
Created by:
1746867517
Popular Histology sets