A&P Lab -- Exam Block 1 Vocab Flashcards
What is the study of tissues called?
Histology
What type of tissue primarily covers body surfaces and lines cavities?
Epithelial Tissue
What are hair-like structures that help in movement and sensation on epithelial cells?
Cilia
What are finger-like projections that increase surface area on epithelial cells?
Microvilli
What type of epithelial cell secretes mucus?
Goblet Cells
What are the two main classifications of epithelial tissue based on cell layers?
- Simple epithelia
- Stratified epithelia
What is the term for flat, scale-like epithelial cells?
Squamous
What is the term for cube-shaped epithelial cells?
Cuboidal
What is the term for column-shaped epithelial cells?
Columnar
What type of epithelium consists of a single layer of flat cells?
Simple squamous epithelium
What type of epithelium consists of a single layer of cube-shaped cells?
Simple cuboidal epithelium
What is the term for the internal space of a tubular structure?
Lumen
What type of epithelium consists of a single layer of column-shaped cells?
Simple columnar epithelium
What type of epithelium is characterized by multiple layers of cells, with the outermost being dead and filled with keratin?
Keratinized stratified squamous epithelium
What type of epithelium is characterized by multiple layers of cells, with the outermost layers remaining moist?
Non-keratinized stratified squamous epithelium
What type of epithelium consists of two or more layers of cube-shaped cells?
Stratified cuboidal epithelium
What type of epithelium consists of two or more layers of column-shaped cells?
Stratified columnar epithelium
What type of epithelium can stretch and is found in the bladder?
Transitional epithelium
What type of epithelium appears to have multiple layers due to varying cell heights but actually consists of a single layer?
Pseudostratified epithelium
What is the term for the non-cellular material found between cells in connective tissue?
Matrix
What type of connective tissue is loose and contains collagen and elastic fibers?
Areolar connective
What type of fibers provide strength and support in connective tissues?
Collagen fibers
What type of fibers allow tissues to stretch and return to their original shape?
Elastic fibers
What type of connective tissue has a network of reticular fibers?
Reticular connective
What type of adipose tissue stores energy and insulates the body?
White adipose
What type of adipose tissue generates heat and is involved in thermoregulation?
Brown adipose
What are the cells that store fat in adipose tissue called?
Adipocytes
What is the term for a fluid-filled cavity within a cell?
Vacuole
What type of connective tissue has tightly packed collagen fibers arranged in parallel?
Dense regular connective
What type of connective tissue has collagen fibers arranged irregularly?
Dense irregular connective
What type of connective tissue is rich in collagen fibers and allows for elasticity?
Elastic tissue
What are the red blood cells in the bloodstream called?
Erythrocytes
What are the white blood cells that are part of the immune system called?
Leukocytes
What are the cell fragments involved in blood clotting called?
Platelets
What are the cells that produce cartilage called?
Chondroblasts
What are the mature cartilage cells called?
Chondrocytes
What is the term for the small spaces within cartilage where chondrocytes reside?
Lacunae
What is the layer of connective tissue surrounding cartilage called?
Perichondrium
What type of cartilage is smooth and glassy, providing support and flexibility?
Hyaline cartilage
What are the growth plates in long bones called?
Epiphyseal plates
What type of cartilage is flexible and contains more elastin fibers?
Elastic cartilage
What type of cartilage is tough and resists compression?
Fibrocartilage
What is the rigid connective tissue that forms the skeleton called?
Bone
What type of bone is dense and forms the outer layer of bone structures?
Compact bone
What are the mature bone cells called?
Osteocytes
What are the concentric rings of bone matrix called?
Concentric lamellae
What is the structural unit of compact bone called?
Osteon
What is the central canal in bone that contains blood vessels called?
Haverisan canal
What are the small channels that connect lacunae in bone called?
Canaliculi
What are the layers of bone matrix found between osteons called?
Interstitial lamellae
What type of bone is less dense and contains trabecular structures?
Spongy bone
What are the small, rod-like structures in spongy bone called?
Trabeculae
What type of muscle tissue is responsible for voluntary movement?
Skeletal muscle
What is the connective tissue surrounding each muscle fiber called?
Endomysium
What term describes muscle fibers that have a striated appearance?
Striated
What type of muscle tissue is involuntary and non-striated?
Smooth muscle
What type of muscle tissue is found in the heart and has intercalated discs?
Cardiac muscle
What are the specialized connections between cardiac muscle cells called?
Intercalated discs
What is the basic unit of the nervous system that transmits signals called?
Neuron
What is the cell body of a neuron called?
Soma
What is the long projection of a neuron that conducts impulses away from the cell body called?
Axon
What are the short, branching projections of a neuron that receive signals called?
Dendrite