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1

What are the 4 basic tissue types

Epithelium, Connective, muscle, and nerve

2

Types of epithelium tissue

squamous(flat shaped), columnar(tall, thinly shaped), cuboidal(cube shaped), stratified(has multiple shapes)

3

Functions of the epithelium

Secretion, selective absorption, protection, transcellular transport and sensing.

4

Where is the epithelium found?

The linings of cavities, organs, and glands

5

Characteristics of the epithelium

Contain no blood vessls, so they receive their nutrients from underlying membrane, via diffusion. (Mucous and Serous membranes)

6

Where is the connective tissue found?

Found between other tissues everywhere in the body. Joints, ligaments, and tendons

7

3 main components of connective tissue

Fibers (elastic or collagenous), ground substance, and cells (fibroblast, adipocytes, macrophages, and leukocytes)

8

Types of connective tissue

Blood plasma, adipose tissue, tendons, ligaments, cartilage and bone.

9

What are muscle tissues?

Soft tissue that composes the muscle in the human body. Muscle cells are cell walls with well developed contractility.

10

Types of muscle cells

skeletal, smooth, and cardiac.

11

Skeletal muscles

Striated muscles, that only contract voluntarily

12

Smooth muscle

non-striated muscle, that contracts involuntarily and without conscious intervention.

13

Cardiac muscle

Semi-striated muscle, with intercalated disks. Contracts involuntarily and without conscious intervention. Found in the heart.

14

How can cardiac and smooth muscles be activated?

Through interactions of the nervous system and by receiving innervation from peripheral plexuses or endocrine/ hormonal type activation.

15

When do skeletal muscles contract voluntarily?

Upon influence from the CNS. *reflexes are a form of non conscious activation from the skeletal muscle*

16

What is the function of an intercalated disk?

helps with smooth and coordinated contractions. (contracts the heart so it beats at the same time)

17

Component of the nerve tissue are

neurons and nerve cells

18

Functions of the nerve tissue

sensory input, integration, control of muscles, homeostasis, and mental activity.

19

Two types of neurons are

- Multipolar motor and autonomic (looks like a tree with the axon as the tree body)
- pseudo unipolar sensory (looks like it has 2 bodies and one head

20

Division of the nervous system containing the brain and spinal cord

Central Nervous System (CNS)

21

Division of the nervous body with everything outside of the CNS

Peripheral Nervous System (PNS)

22

Location of neuron of the cell bodies, major component of CNS, contains myelinated axons

Gray Matter

23

Location of the interconnecting fiber tract, contain relatively few cell bodies

White matter

24

Thick outer most layer of the meninges

Duramater

25

Delicate and transparent innermost layer of the meninges

Pia mater

26

Delicate avascular intermediate layer of the meninges

arachnoid mater

27

Connective tissue covering around individual axons in the PNS. Delicate innermost layer that forms sheaths to surround the neuroglia cells & axons

Endoneurium

28

What covers groups of axon? And is an immediate layer of dense connective tissue that encloses a fasiscle of peripheral nerve fibers

Perineurium

29

Thick, Tough connective tissue on the outside of the nerve fiber is called..? Surrounds & encloses the bundle of fasiscles. Includes fatty tissues, blood vessels, and lymphatics

Epineurium

30

Major functions of glial cells

Surrounds neurons and holds them in place, supply nutrients and oxygen to neurons, insulate one neuron from one another, destroy pathogens, and remove dead neurons.