Intro to Vet Tech

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Chapter 5 continued

name the 6 branches of science

anatomy, physiology, histology, embryology, pathology, biology

anatomy

the study of the structure of the body and the relationship of the parts

physiology

the study of the normal functions and activities of organisms

histology

the study of the structure, composition, and function of normal cells and tissues

embryology

the study of the origin and development of an organism. From conception to birth.

pathology

the study the changes to normal structure and function of living things caused by disease

nucleus

spherical, centrally located "brain" of the cell.

nuclear membrane

encloses and protects the nucleus

cytoplasm

jelly-like substance containing fibers that support the cell

Golgi Apparatus

consists of small sacs, believed to manufacture carbohydrates and combine them with proteins

mitochondria

organelle with small sacs thought to provide the energy for the cell

lysosomes

sacs containing enzymes that digest molecules and particles for the cell.

endoplasmic reticulum

canals consisting of smooth and rough portions where the ribosomes containing RNA attach.

4 types of tissue

epithelial, connective, muscle, nerve

5 types of epithelial tissue

endothelium, mesothelium, simple, stratified, pseudostratified

endothelium

type of epithelial tissue that surrounds the heart, blood, and lymph vessels.

mesothelium

type of epithelial tissue that covers the surfaces of serous membranes.

simple epithelial tissue

type of epithelial tissue that has one layer of cells

stratified epithelial tissue

type of epithelial tissue that has three or more layers

pseudostratified epithelial tissue

type of epithelial tissue that has one layer but appears to have more.

7 types of connective tissue

bone, cartilage, dense fibrous, loose arieolar, reticular, adipose, hematopoietic

bone

type of connective tissue that is hard, unbendable, supports the body

reticular

webike connective tissue that supports the nerves and capilaries

loose, arieolar

type of connective tissue that is elastic and stretchable, connects adjacent body structures

dense fibrous tissue

type of connective tissue that is strong and bendable, found in tendons and ligaments

adipose

type of connective tissue that is fatty, pads and protects

cartilage

type of connective tissue that is firm and bendable

hematopoietic

type of connective tssue that produces blood, found in the bone marrow and lymphatic system

3 types of muscle tissue

skeletal, smooth, cardiac

skeletal muscle tissue

type of muscle tissue that is striated and voluntary

smooth muscle tissue

type of muscle tissue that is smooth and involuntary

cardiac muscle tissue

type of muscle tissue that is striated but involuntary

nervous tissue

composed of nerve cells, nerve fibers, and supporting tissue called neuralgia

9 body systems

skeletal, cardiovascular, respiratory, integumentary, urogenital, gastrointestinal, nervous, muscular, endocrine

skeletal system

body system that is the framework of the body, supports organs, attachment place for muscles

muscular system

body system that permits motion and movement.

cardiovascular system

body system that transports blood, includes the lymphatic system

respiratory system

body system that absorbs oxygen and removed carbon dioxide

integumentary system

body system that incudes the skin, hair, nails, sweat, sebaceous glands.

urogenital system

body system that provides for reproduction and urine excretion

nervous system

body system that processes stimuli and enabes the body to act and respond

endocrine system

body system that manufactures hormones

gastrointestinal system

body system that digests and absorbs food and excretes waste.

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