Anatomy and Physiology I: Week 2 Tissues

Epithelial

covers and lines

Connective

provides support

Muscle

enables movement

nervous

controls work

What are the four major types of cellular junctions?

1. tight junctions

2. desmosomes

3. gap junction

4. basement membrane

What is the other name for the basement membrane?

basil lamina

what are all the classifications of epithelia

1. number of layers of cells

2. shape of cells

3. presence of surface

Name three types of epithelium

1. stratified squamous epithelium

2. stratified cuboidal epithelium

3. pseudostratified columnar epithelium

define glands

a group of cells that manufacture and discharge a secretion

define exocrine

poses ducts; discharges secretions directly into local areas

Ex: adrenal gland and pituitary glands

True or false: An example of an exocrine gland is a ductless goblet cell

false

What are three ways are products secreted by the exocrine glands?

1. Merocrine - manufactured and secreted from cells

2. Apocrine - a piece comes off and is replaced

3. Holocrine

What are all the types of secretions?

Serous - watery (ex: sweat, saliva)

Mucous - thick, viscous (snot, respiratory tract and GI tract)

Mixed - combo of both components

What is the most abundant tissue in the body by weight?

Connective tissue

Fat tissue is also known as?

adipose tissue

list three types of specialized connective tissue

1. cartliage

2. bone

3. blood

mucous, serous, cutaneous, and synovial are all what?

Types of secretion

Pleural fluid

thorax

peritoneal fluid

abdomen

pericardial fluid

region around the heart

what are three types of muscle tissue

1. skeletal - voluntary, striated muscle type responsible for moving bones

2. cardiac - involuntary, striated muscle found only in the heart

3. smooth - involuntary, non-striated muscle tissue that controls movements in hollow organs and passageways throughout the body.

Cardiac muscle is found only where?

in the heart

____1____ are the longest cells in the body and are made up of the three primary parts: _____2______, ______3______, and _____4______

1. Nervous

2. perikaryon

3. dendrites

4. axon

what is the function of neurological cells?

support the neurons

List the process of tissue healing in the correct order:

___organization

___injury

___ regeneration

___inflammation

3,1,4,2 or Injury, Inflammation, organization, and regeneration

What are the two classifications of wound healing

1. intention holding

2. Intention healing

What is another name for histology

microscopic anatomy or micro-anatomy

Name three jobs of epithelial tissue

1. Cover and line tissues

2. absorbs nutrients

3. acts as an interface layer that separates and defines the beginning and ending of different types of tissues

What is the difference between a fixed cell and a transient cell?

Fixed cells are permanent inhabitants of a tissue. Whereas a transient cell is a temporary visitor and can wander