Histology

Réussis tes devoirs et examens dès maintenant avec Quizwiz!

Synovial membrane

Composed of only connective tissue and lines the inside of joint cavities

knee

Composed of only connective tissue and secretes synovial fluid

adipose tissue

Energy storage

Tightly packed cells

Epithelial tissue is characterized by

pseudostratified columnar

Epithelium, of a single layer, with both tall columnar cells reaching the free surface and shorter basal cells, is called _________ epithelium.

elastic cartilage

External ear, epiglottis, and auditory tubes

- Centrioles

Facilitate the movement of chromosomes during cell divisions

Elastic

Forms the external ear

Fibrocartilage

Found in the intervertebral discs

hyaline

Holds open passages so we can breath

smooth muscle

Hollow organs and blood vessels

Scanning electron microscope

In this the surface of the specimen is first dried and dried spray-coated with a very thin layer of heavy metal through which electrons do not pass readily

Simple squamous

Indicate the type of epithelium that is best suited for allowing diffusion of substances, as would be found lining the air sacs (alveoli) of the lungs.

cardiac muscle

Intercalated disc joining cell

Fibrocartilage

Intervertebral disks, pubic symphysis

Mitosis

Is a cell division that produces two diploid cells?

Chromatin

Is the combination of DNA and its associated proteins?

Histology

Study of microscopic anatomy of normal tissues and cells

Arm

Supports and holds the magnifying and adjustment system

stratified cuboidal epithelium

Sweat gland ducts, ovarian follicular cells

cutaneous membrane

Keratinized squamous epithelium and an underlying layer of connective tissue

skin

Keratinized squamous epithelium and an underlying layer of connective tissue

simple cuboidal

Kidney tubules, secretory cells of glands

simple cuboidal

One layer of cells that are as wide as they are tall and rest on a basement membrane

Simple columnar

One layer of cells, in which the cells are taller than they are wide and almost all cells touch the basement membrane and extend to the free surface

Simple squamous

One layer of flat, or scale-like, cells that rest on a basement membrane

Mechanical Stage

Permit movements of the stage while holding the slide in the phase of focus

True

When a muscle contracts, it shortens because the interaction of the actin and myosin molecules causes the thin and thick filaments to slide past each other, resulting in the shortening of the sarcomeres.

stage

Flat platform where the slide is placed

Parkinson's disease

A slowly progressing disorder affecting muscular activity leads to shaking, stiffness, and difficulty with walking, balance

pseudostratified columnar

A special type of simple epithelium that appears to be stratified but is not

If the tissue has an obvious free surface, it is most likely epithelial tissue

A student is completing her first anatomy practical and is struggling with the last histology slide. She cannot determine if the slide is of an epithelial tissue or connective tissue. Which of the following is an accurate and helpful clue to determine the tissue type?

Perimysium

A thin connective tissue layer that immediately surrounds each bundles of muscle fibers

striated involuntary muscle

A tissue that has the ability to contract, is not consciously controlled, and has a banded appearance is

Adipocytes

A very large cells specialized for storage of triglycerides, they predominate in a specialized form of connective tissue

Fibrocartilage

Absorbs compressive forces in the spine

simple columnar

Absorption in the small and large intestines

Stratified squamous with many desmosomes to connect adjacent cells

An epithelial tissue is exposed to constant abrasion and is often stretched during normal activities. This type of tissue is most likely to be

Areolar connective tissue

Basement membrane of epithelia sits on this

Dense irregular elastic connective tissue

Capable of strength with stretching and recoil in several directions

Pleural cavity (cavity that contains a lung)

Composed of simple squamous epithelium and underlying layer of loose connective tissue

Mucous membrane

Composed of various types of epithelium and an underlying thick layer of loose connective tissue

Respiratory tract

Composed of various types of epithelium and an underlying thick layer of loose connective tissue

Lysosomes

Contains enzymes that digest materials taken into the cell

Nucleus

Contains genetic material of cell

simple squamous epithelium

Lining of blood vessels and alveoli of lungs

Pseudostratified columnar

Lining of the nasal cavity, pharynx, and trachea

transitional

Lining of the urinary bladder and ureters

Substage

Located directly under the stage and holds the condenser and diaphragm

[Stratified columnar

Mammary gland ducts, larynx, parts of the male urethra

stratified cuboidal

Many layers of cells where most cells are as wide as they are tall .

Stratified squamous

Many layers of cells, with cube-shaped cells near the basement membrane and flat cells at the free surface

connective

Marfan syndrome is a genetic disorder that results in abnormal collagen production. Marfan syndrome is most likely associated with _______ tissue.

Golgi Apparatus

Modifies protein structure and packages proteins in secretory vesicles

skeletal muscle

Moves the body

Polarizing Microscopy

Normal light passes through a polarizing filter

False

Pia mater is the external layer in CNS.

Stratified squamous

Protection against abrasion, barrier against infection

hyaline

Provides a low friction surface

Base

Provides support for the microscope

Cardiac muscle

Pumps blood

Schwann cells

Seen in the Peripheral nerves

Skeletal muscle

Single multinucleated cell

Smooth muscle

Single small, closely packed fusiform cells

Mitochondrion

Site of aerobic respiration and the major site of ATP synthesis

smooth muscle

Striations is absent

glia cells (glia)

Support cells of the brain and spinal cord are called

False

TRUE OR FALSE: Both cardiac and smooth muscle cells are striated

False

TRUE OR FALSE: Defense and immune-related activities are the function of astrocyte

false

TRUE OR FALSE: Endomysium is the external sheath of dense connective tissue surrounds the entire muscle.

True

TRUE OR FALSE: In skeletal muscle fibers the dark bands are A bands and the light bands are I bands

True

TRUE OR FALSE: Nervous tissue can conduct electrical signals called action potentials

true

TRUE OR FALSE: Nervous tissue is found in the brain, spinal cord, and nerves.

True

TRUE OR FALSE: Satellite cells derived from embryonic neural crest

Dense regular collagenous connective tissue

Tendons and ligaments

Dense irregular collagenous connective tissue

Tensile strength capable of withstanding stretch in all directions

Sarcoplasm

The cytoplasm of muscle cells is called

Fibroblasts

The major cells of connective tissue proper, are elongated, irregularly shaped cells with oval nuclei that synthesize and secrete most components of the ECM.

Astrocytes

The most abundant neuroglia cell

Cell body

The neuronal region that contains the nucleus and surrounding cytoplasm, exclusive of the cell processes

Into the bloodstream

The secretions of endocrine glands are released directly

Fixation

The use of formalin to preserve all cells and tissues

Dehydration

The use of series increasing alcohol

Staining

The use of stains before viewing the microscope

The shape of cells and number of cell layers

The various types of epithelium are classified by

basement membrane

The___________ is a thin layer of specialized extracellular material beneath the deepest cells of an epithelium, serving to bind the epithelium to underlying tissue.

True

Thick and thin filaments in smooth muscle fibers do not form sarcomeres, and no striations are present

Embedding

Tissue is placed in a mold with the paraffin and allowed to be harden

Infiltration

Tissue is placed in the melted paraffin

Fluorescence microscopy

Tissue sections are usually irradiated with ultraviolet (UV) light and the emission is in the visible portion of the spectrum

ependymal cells

To aid production and movement of CSF

Skeletal muscle

Tongue, diaphragm, eyes

Blood

Transports oxygen, carbon dioxide, and other substances

False

True or False: As an individual ages, collagen fibers become more irregular in structure and decrease in number

True

True or False: At the tissue level, age-related changes affect cells and the extracellular materials they produce

False

True or False: Bone tissue is entirely inorganic (formed of mineralized matrix)

True

True or False: Cancer is the common term for all malignant tumor

True

True or False: Exchange of oxygen and carbon dioxide between blood and body tissues is an example of Simple diffusion

False

True or False: Exocrine glands are classified as compound if they have a single unbranched duct.

False

True or False: Integumentary is a primary tissue type in the body?

True

True or False: Many cell losses and functional declines of aging can be slowed by physical and mental exercise

True

True or False: Nervous tissue is a primary tissue type in the body

True

True or False: Osmosis is the diffusion of water across selectively permeable membrane.

True

True or False: Phagocytosis means cell eating

True

True or False: Redness, limitation of movement from edema, and tissue destruction all contribute to disturbed function.

False

True or False: Skeletal primary tissue type in the body?

False

True or False: The 22 pairs of autosome, as well as the X and Y chromosomes have the same size, morphology, and location of the centromere

Cardiac muscle

Uninucleated striated branched cells

Microtome

Used for sectioning paraffin-embedded tissues for light microscopy

Phase contrast microscopy

Uses a lens system that produces visible images from transparent objects, can be used with living and cultures cells

Transmission electron microscopy

Very thin tissue sections can be observed with details at magnifications up to about 120,000 times

skeletal muscle

Voluntary movements

Tissue

What is a collection of similar cells and surrounding substances?

Holocrine

What type of gland composed its secretion in the cytoplasm of the cell, with the cell then rupturing and becoming part of the secretion?

Elastic

allows structures to stretch and return to original shape

Serous membrane

composed of simple squamous epithelium resting on a thin layer of areolar connective tissue.


Ensembles d'études connexes

Environmental Science Final; Mutiti GCSU

View Set

Ch. 6 - Disorders of the breasts

View Set

NUR 2092 Ch 54 Drugs acting on the upper respiratory system

View Set

The Process of Occupational Therapy

View Set

Certified Wireless Technology Administrator - Chapter 3 - Wireless LAN Infrastructure Devices

View Set