Anatomy Lab 4 Histology

Question 1

The tissue level of structural organization is defined as ___________.

Answer 1

2 or more cells that share a similar origin and common structural and functional features.

Question 2

What are the 4 general tissue types?

Answer 2

Epithelial, Connective, Muscular, Nervous

Question 3

What is the function of epithelial tissue?

Answer 3

Covers body surfaces, lines cavities, and forms glands.

Question 4

What is the function of connective tissue?

Answer 4

Connects, supports, and protects cells.

Question 5

What is the function of muscular tissue?

Answer 5

Contracts (is very elastic; can stretch and recoil back to original length)

Question 6

Glandular epithelium contains a lot of ______ for secretion.

Answer 6

Golgi Apparatus

Question 7

Epithelial cells are continuous, meaning that _______.

Answer 7

Every cell touches another.

Question 8

Why is it that many cancers are epithelial?

Answer 8

Because epithelial tissue has a high mitotic regeneration rate

Question 9

Epithelial cells do not have blood vessels, so they are therefore __________. Cell layers must be _____ so that nutrients can reach the cells.

Answer 9

Avascular; Thin

Question 10

Describe how to name Epithelial Cells (First Name, Last Name)

Answer 10

First Name (layers)= Simple (one cell layer deep), stratified (2+ cell layers deep), and pseudostratified (one cell layer deep but appears to have multiple. Last name(shape)= Squamous(flat irregular shaped like eggs), Cuboidal (cube-shaped and large nucleus), Columnar (tall thin cells column like), Transitional (Varying in shape)

Question 11

APICAL = _______, BASAL= ______

Answer 11

Apical is the border on the superficila edge of the cell, basal is on the deep edge of the cell

Question 12

Where is the basement membrane located on Epithelial cells?

Answer 12

Just beneath the basal border

Question 13

Where is simple squamous epithelium commonly found?

Answer 13

alveoli of lungs, capillaries

Question 14

Where is Stratified Squamous Epithelium commonly found?

Answer 14

Skin, mouth, and rectum

Question 15

Where is simple cuboidal epithelium commonly found?

Answer 15

kidney tubules

Question 16

Where is stratified cuboidal epithelium commonly found?

Answer 16

Lines some ducts (though rare)

Question 17

Where is simple columnar epithelium commonly found?

Answer 17

Digestive tract

Question 18

Where is stratified columnar epithelium commonly found?

Answer 18

Anus, mammry ducts

Question 19

Where is pseudostratified columnar epithelium commonly found?

Answer 19

nasal cavity, trachea, and bronchi

Question 20

Where is transitional epithelium commonly found?

Answer 20

urinary bladder, ureter

Question 21

Where is glandular epithelium commonly found?

Answer 21

glandular tissue

Question 22

Areolar and Adipose connective tissue are both _______. Differentiate them.

Answer 22

Loose connective tissue; Areolar=w.o fat cells, Adipose=lots of fat cells

Question 23

Dense Irregular Connective tissue and dense regualr connective tissue have collagen that differ how?

Answer 23

Irregular=collagen not highly alligned, regular=highly aligned

Question 24

“-blast” means

Answer 24

immature, more active, & matrix secreting cells

Question 25

“-cyte” means

Answer 25

mature, less active

Question 26

What are the 5 fixed cells?

Answer 26

Fibroblasts, Microphages, Adipocytes, Melanocytes, Mesenchymal

Question 27

Chondrocytes are ____ and condroblasts are _____

Answer 27

Mature, immature

Question 28

Hyaline is found ____________. It covers _____ at the ___________. It supports the _______.

Answer 28

between tips of ribs and bones of sternum; covers bone surfaces @ synovial joints, supports larynx

Question 29

Hyaline’s functions

Answer 29

Provides tiff yet somewhat flexible support; reduces friction btwn bony surfaces

Question 30

What are the 3 types of muscle tissue?

Answer 30

Smooth Muscle, Skeletal Muscle, and Cardiac Muscle

Question 31

Neurons vs neuroglia

Answer 31

neurons = conducting, neuroglia = supporting