Test 2 Flashcards
secretion and absorption
Kidney tubules, ducts of glands, ovary surface
Lg nuclei
Simple Cuboildal ET
Function : Diffusion
Location: Air Sacs of lungs, lining capillaries, covering ventral organs
Simple Squamous ET
Protection, absorptions, secretion
Lining am. Intestines, lining uterus
Single layer elongated, basally nuclei
+ microvilli
+ goblet cells
Simple columnar ET
Secretion, protection
Lining trachea, lining Fallopian tubes
Single layer elongated, scattered nuclei, l much BM.
+ Cilia
+ Goblet Cells
Pseudostratified Columnar ET
Protection
Keratinized- skin
Non- mouth, vag, throat, anus
Many layers flat
Stratified Squamous ET
Stretching (distend ability)
Urinary bladder, ureter, uterus
Many layers of cells that change shape
Transitional ET
Secretion
Sweat gland, gastric gland
Simple Cuboildal or Columnar ET
Glandular ET
Apocrine
Portion of cell
Mammary
Meocrine
None of cell
Saliva
Holocrine
All
Oil
4 primary adult tissues
M usle
E pithelial
N ervous
C onnective
Characteristics of connective tissue
Wide range of vascularity
(Cartilage, avascualr —> bone, rich blood supply)
Cells+ extra cellular matrix
(Ground substance + fibers)
Three embryonic germ layers
Ectoderm (outside) - et and NT
Mesoderm (middle) - et, CT and MT
Endoderm ( inside) - et
Ground Substance
Amorphous material that fills spaces between cells and fibers
Molecular drive for nutrients and gasses to diffuse between cells and blood capillaries
White Blood Cells that respond to tissue damage
A type of wandering cells
Mast:
Secrete heparin to prevent clotting
Secrete histamine to promote inflammation
Macrophages: (phagocytes)
Eat foreign materials
Collagen Fibers
Composed of protein collagen
High tensile strength to matrix
PINK
Are a CT
Elastic Fibers
Composed of protein elastin
Rubbery resiliency to matrix
Purple
Skin, lungs, blood vessels
Are a type of CT
Reticular Fibers
Fine collagenous fibers
Delicate meteors
Basement Membranes
Are a type of CT
Exocrine gland
Secretes into a duct
Many- Simple Compound (branched) Tubular Alveolar (saclike)
Glandular epithelium
Loose Areolar CT
Gel like with fibroblasts, collagen, elastic fibers
Below epithelium, covers ventral organs
Diffusion, cushions
Adipose tissue
CT proper
Fat cells
Under skin, around eyeballs
Energy storage, insulation, protection
Reticular CT
Proper
Reticular fibers w/in loose ground substance and reticulocytes
Basement membranes, lymphatic organs
(Lymph nodes, thymus, spleen)
Support
Dense Regular CT (white fibrous)
Proper
Collagen fibers with fibroblasts (can only see nuclei)
Tendons, ligaments
Attachment, tensile strength
Poor blood supply
Dense Irregular CT
Proper
Collagen fibers
Dermis, heart valves
Tensile strength
Elastic CT
Proper
Elastic fibers
Lung tissue, wall of aorta
Durability with stretch
Hyaline Cartilage
special CT
Amorphous (chondroitin and glucosamine) matrix that surrounds cells= CHONDROCYTES
embryonic skeleton, costal cartilages, nose teaches, and larynx
Support
avascular= no healing
Elastic Cartilage
special CT
Elastic fibers
External ear, epiglottis
Maintain shape plus flex
Fibrocartilage
special CT
Less firm the elastic cartilage
Intervertebral discs, pubic symphysis
Tensile strength plus shock absorber
Skeletal MT
Striations
Voluntary
Moves bones of skeleton
Cardiac MT
Network of cells with one central nucleus.
Intercalated discs (where cells meet)
Strait ions
Pump blood from heart to lungs
Pump blood from heart to body
Involuntary
Smooth MT
Spindle shape, one central nucleus
No striations
Involuntary
Blood vessels, Hollow visceral organs, hair follicles
MVMT OF FOOD THROUGH DIG. TRACT
Cutaneous membrane
E membrane
Skin
K stratified squamous ET
Mucous membrane
ET membrane
Line body cavities. Digestive, resp, and urinary
Moist membrane
ET attached to CT
Serous membrane
ET membrane
Ventral body cavities
Visceral is to organ as
Parietal is to body cavity
Secretes serous fluid - lube
Peritoneal- abdominal organs
CT fixed cells
Fibroblasts in proper
Osteocytes in bone
Chondrocytes in cartilage
Blast cells
Undifferentiated cells that secrete matrix