Anatomy & Physiology: Histology Quiz 3

Dermis: composed of?

Composed of the reticular (pacinian corpuscles) and papillary layers (meissner corpuscles) found in the skin

Which connective tissue is liquid? A) blood B) adipose C) reticular connective D) hyaline cartilage

a. blood

The connective tissue that composes tendons and ligaments is A) dense regular connective. B) elastic connective. C) elastic cartilage. D) dense irregular connective.

a. dense regular connective tissue

Adipose, areolar, and reticular connective tissues are considered loose connective tissue types. A) True B) False

a. true

Cells secrete the fibers and a ground substance of a connective tissue. A) True B) False

a. true

what tissue functions as heat insulator beneath skin

adipose

the subcutaneous layer is made of

adipose and areolar connective tissue

cells greatly enlarged with nuclei pushed to the sides

adipose tissue

what is the function of epidermal dendritic cells

aka langerhans cells, involved in cell immunity

what are Merkel cells and their function

aka tactile cells, form touch receptors, attach at nerve-endings

contains loose arrangement of elastic and collagen fibers

areolar connective tissue

what tissue binds skin to underlying organs

areolar connective tissue

forms delicate thin layers between muscles

areolar tissue

Which of the following is a loose connective tissue? A) fibrocartilage B) areolar C) spongy bone D) elastic connective

b. areolar

Blood and lymph are considered loose connective tissue types. A) True B) False

b. false

transports nutrients and defends against disease

blood

what tissue contains large amounts of fluid and lacks fibers

blood

The connective tissue _____________ contains abundant fibers of collagen and cells in a solid matrix. A) fibrocartilage B) adipose C) bone D) areolar connective

c. bone

the most abundant fibers of connective tissues are: a. reticular b. elastic c. collagen d. glycoprotein

c. collagen

stratum lucidum function and characteristics

clear layer of dead keratinocytes

what tissue has cells in a solid matrix arranged around a central canal

compact bone

stratum corner function and characteristics

composed of dead flat cells, fully keratinized for protection

which of the following is not a function of connective tissue: a. fill spaces b. provide support c. bind structures together d. movement

d. movement

the dermis is made of

dense irregular connective tissue

what is the main tissue of the dermis

dense irregular connective tissue

cells in a fluid-gel matrix with parallel collagen fibers

dense regular connective tissue

what tissue is the main tissue of tendons and ligaments

dense regular connective tissue

stratified cuboidal epithelium: description, function, and location

description: 2-layers of cube like cells function: protection location: glands or ducts

Compact bone: description, function, location

description: calcified matrix, osteocytes in lacunae function: supports and protects location: bones

pseudostratified columnar epithelium: description, function, location

description: cells have differing heights function: secretion location: trachea

Hyaline Cartilage: description, function, location

description: chondrocytes in lacunae, in collagen (pink) matrix function: resists compression location: costal cartilage of ribs

Adipose Connective Tissue: description, function, location

description: closely packed adipocytes function: provides food fuel, insulates, supports, and protects organs location: within abdomen

Elastic Cartilage: description, function, location

description: dense regular connective tissue with high density of elastic fibers (black), chondrocytes in lacunae, ground substance function: maintains structure shape with flexibility location: epiglottis

Areolar connective tissue: description, function, location

description: elastic fibers (black), collagen fibers (pink) and fibroblasts function: wraps and cushions organs location: widely distributed under epithelia

Elastic Connective Tissue: description, function, and location

description: high proportion of elastic fibers (purple) function: allows recoil of tissue location: walls of aorta

Cardiac muscle: description, function, and location

description: intercalated discs function: contracts to pump blood location: heart walls

Dense Irregular Connective Tissue: description, function, location

description: irregularly arranged collagen (pink) fibers, some elastic fibers (black) function: able to withstand tension in many directions location: dermis of the skin

Skeletal muscle: description, function, location

description: long, cylindrical, striated, multi-nucleated, nuclei at periphery of cell function: moves limbs location: attaches to bone, occasionally skin

Nervous tissue: description, function, location

description: neurons and glial cells function: transmit electrical signal from sensory receptors to effector location: brain, spinal cord and nerves

Dense Regular Connective Tissue: description, function, location

description: primarily parallel collagen (pink) fibers function: withstands stress when applied in one direction location: tendons and ligaments

Blood: description, function, location

description: red and white blood cells in plasma matrix function: transport gas, nutrients, and wastes location: blood vessels

Reticular Connective Tissue: description, function, location

description: reticular fibers (blue) and ground substance function: form soft internal skeleton location: spleen

stratified columnar epithelium: description, function, and location

description: several cell layers function: protection location: male urethra

simple cuboidal epithelium: description, function, and location

description: single layer of cube-like cells with central nuclei function: secrete and absorb location: kidney tubules

simple columnar epithelium: description, function, and location

description: single layer of tall cells, goblet cells function: secrete and absorb location: small intestine

simple squamous epithelium: description, function, and location

description: single layered of flattened cells function: allows passage of materials location: lung air sacs

Smooth muscle: description, function, and location

description: spindle shaped function: move substances down passageway location: digestive and urinary tract

transitional epithelium: description, function, location

description: surface cells are dome shaped function: stretches readily location: bladder

Fibrocartilage: description, function, and location

description: thick collagen fibers (pink), chondrocytes in lacunae function: absorb compressive shock location: intervertebral discs

stratified squamous epithelium: description, function, and location

description: thick membrane of several cell layers function: protect underlying tissue location: tongue, esophagus

what do pacinian corpuscles do and where are they found

detect pressure, reticular layer of dermis made of irregular dense connective tissue

where are apocrine and eccrine glands found

eccrine all over the body, apocrine axillary and genitals

what tissue forms the framework of the outer ear

elastic cartilage

what tissue occurs in some ligament attachments between vertebrae and larger artery walls

elastic connective tissue

what tissue acts as a pad between vertebrae that are shock absorbers

fibrocartilage

what tissue forms the flexible part of the nasal septum

hyaline cartilage

forms supporting tissue in walls of thymus and spleen

reticular connective tissue

stratum spinous function and characteristics

several layers thick, contain langerhans cells

stratum basale function and characteristics

stem cells, single row of cells

the epidermis is made of

stratified squamous epithelium

what do messier corpuscles detect and where are they found

they detect touch, found in papillary layer of dermis made up of loose areolar connective tissue

stratum granulosum function and characteristics

thin layer, waterproof due to lamellar granules