Name some functions of epithelial tissue.
protection, absorption, excretion, filtration, secretion, and sensory reception.
T/F Epithelial tissues exhibit specialized contacts, polarity, avascularity, support from connective tissue, and high regenerative capacity.
_______ is a single layer of squamos cells. Highly adapted for filtration and exchange of substances, it forms walls of air sacs of the lungs and lines blood vessels.
Simple squamos epithelium
_______, commonly found active in secretion and absorption, is found in glands and in kidney tubules.
Simple cuboidal epithelium
T/F Simple Columnar epithelium consists of a single layer of tall columnar cells that exhibit microvilli and often mucus-producing cells. Lines mos of digestive tract.
_______ is a simple columnar epithelium that appears stratified and lines most of the upper respiratory passages.
Pseudostratified columnar epithelium
________ is multi-layered, adapted to resist abrasion, and lines the esophagus, vagina, and forms the skin epidermis.
Stratified squamos epithelium
T/F Stratified cuboidal epithelia are rare in the body, and are found chiefly in ducts of large glands.
________ is a modified stratified squamos epithelium, adapted for responding to stretch. It lines hollow urinary system organs.
Glands are classified as ______ or _______ and are classified structurally as multicellular or unicellular.
Exocrine or Endocrine
_______, typified by goblet cells and mucous cells, are mucus-secreting single-celled glands.
________ secrete their products by exocytosis as they are produced. The pancreas, most sweat glands, and salivary glands belong to this class.
Secretory cells of ________ accumulate their products within them until they rupture. Sebaceous (oil) glands of the skin are the only true example.
______ is found everywhere in the body and is the most abundant and widely distributed of the primary tissues.
Name the four main classes of connective tissue.
Connective tissue proper, cartilage, bone tissue , blood
T/F Connective tissue's major functions include binding and support, protection, insulation, and transportation of substances within the body.
Name some common characteristics of connective tissue.
Common origin, degrees of vascularity, extracellular matrix.
T/F Because of connective tissue's extracellular matrix, it is able to bear weight, withstand great tension, and endure abuses such as physical trauma and abrasion that no other tissue would be able to tolerate.
T/F Connective tissue can be delicate and fragile to form a soft "packing" around an organ, or it can form "ropes" (such as tendons or ligaments) of incredible strength.
T/F Collagen fibers are the most strong and abundant of the 3 fibers found in connective tissue.
Each connective tissue has a primary cell type. Name the primary connective tissues and their cell types.
Connective tissue proper - fibroblasts
Cartilage - Chondroblasts
Bone - Osteoblasts
Blood - hematopoietic stem cell
T/F Connective tissue proper has 2 subclasses: Loose connective tissue and dense connective tissue
T/F The decrease in mass and viability seen in most tissues during old age often reflects circulatory deficits or poor nutrition.
The gland type that secretes products such as milk, saliva, bile or sweat through a duct is _______
Inability to absorb digested nutrients and secrete mucus might indicate a disorder in which tissue?
T/F Simple squamos is a single celled layer of epithelium that forms the lining of serous membanes.
Organized groups of cells (plus their intracellular substances) that have a common purpose form a _______
Intervertebral discs exhibit a large amount of tensile strength to absorb shock bc they possess _____
______ appears to have 2 or 3 layers of cells, but all the cells are in contact with the basement membrane.
Pseudostratified columnar epithelium