Test 1a Flashcards
Study of structure and function as they relate to the practice of medicine and other health sciences
clinical anatomy
study of structural changes in the body throughout the life span
developmental anatomy
study of the development of an embryo
embryology
Study of human movement
Kinesiology
4 types of tissues
epithelial, connective, muscular, neural
Two or more tissues that perform a common function
organ
group of organs that work together for a common purpose
organ system
how many organs does the human body contain?
11
5 characteristics of anatomical position
erect, feet parallel, arms to sides, palms facing forward, thumbs pointing away from body
Cut lengthwise, diving the body into anterior and posterior parts
coronal plane
cut lengthwise, dividing the body into right and left parts
Sagittal plane
Directly in the middle of the body
Midsagittal
Cut dividing the body into superior and inferior parts
Transverse plane
Opposite of anterior
posterior
Opposite of ventral
dorsal
Opposite of superior
inferior
Opposite of cranial
caudal
Opposite of lateral
medial
Opposite of proximal
distal
Opposite of superficial
deep
What does anterior refer to
front
What does posterior refer to
back
What does ventral refer to
back
What does dorsal refer to
belly
What does superior refer to
top
What does inferior refer to
bottom
What does cranial refer to
head
What does caudal refer to
tail
What does lateral refer to
side
What does medial refer to
down the middle
What does proximal refer to
closer to trunk
What does distal refer to
further from trunk
What does superficial refer to
surface
What does deep refer to
below surface
A hollowed structure
body cavity
Cavity that contains the brain
cranial cavity
Cavity that contains the spinal cord
spinal cavity
Cavity that contains heart and lungs
thoracic cavity
Cavity that contains stomach, liver, intestines
Abdominal cavity
Cavity that contains bladder, rectum, reproductive organs
Pelvic cavity
Function of nervous tissues
Control
Function of muscular tissues
movement
Function of connective tissues
support
Function of epithelium tissues
cover
Specialized cells of the nervous system that transmit messages
Neurons
Two major functions of nervous tissues
excitability and conductivity
3 types of muscle tissue
skeletal, cardiac, smooth
6 characteristics of skeletal muscle tissue
Voluntarily controlled, striated, multi-nucleated, long cylindrical shape, attached to skeleton, contracts quickly
7 characteristics of cardiac muscle tissue
involuntary, striated, uni-nucleated, short branching cells, have intercalated disks, contracts quickly, only found in heart
Main characteristic of connective tissue
protect, support, and binds together other tissues
Living cells surrounded by a non-living ground substance and fibers found outside cells
extra-cellular matrix
3 types of fiber types
collagen, elastic, reticular
Fiber that functions in strength
collagen
Fiber that functions in stretch and recoil
elastic
Fiber that functions in internal skeleton
reticular
5 types of connective tissue
Bone, cartilage, dense connective tissue, loose connective tissue, blood
Mature bone cells that sit inside lacunae
Osteocytes
What type of substance makes up hard matrix that surrounds osteocytes
calcium salts, collagen fibers
A resilient, semi-rigid form of connective tissue
cartilage
Mature cartilage cells that occur in spaces called lacunae
chondrocytes
What type of substance makes up hard matrix that surrounds condrocytes
collagen and elastic fibers
What type of cartilage is most abundant
Hyaline
4 places hyaline cartilage is found
Ends of long bones, ventral ends of ribs, nose trachea larynx bronchi bronchioles, embryonic skeleton
Cartilage that is highly compressible
fibrocartilage
3 places where fibrocartilage is found
spinal column disks, menisci of knee, symphysis pubis
Type of cartilage that tolerates repeated bending
Elastic cartilage
2 places where elastic cartilage is found
epiglottis, external ear
2 places dense connective tissue is found
lower layers of skin (dermis), tendons and ligament
What makes loose connective tissue different from dense connective tissue
more cells and fewer fibers
3 examples of loose connective tissue
areolar, adipose, reticular tissues
Type of loose connective tissue that protects internal organs
areolar tissue
Type of loose connective tissue that protects and insulates
adipose tissue
Type of loose connective tissue that forms framework for lymph nodes and spleen
reticular tissue
What kind of tissue is blood?
Vascular
4 primary functions of epithelial tissue
protection, absorption, filtration, secretion
4 examples of epithelial tissue
skin, lining of body cavities, lining of respiratory tract, lining of digestive tract
Difference between simple and stratified epithelium
Simple: one layer of cells, stratified: more than one layer of cells
What shape does squamous cells have
flattened
What shape does cuboidal cells have
cube-shaped
What shape does columnar cells have
column-shaped
3 examples of simple epithelial
Air sacs of lungs, walls of capillaries, serous membranes lining ventral cavity
3 examples of simple cuboidal epithelium
Glands and ducts, walls of kidney tubules, surface of ovaries
Columnar cells resting on a basement membrane but some are shorter than others and cell nuclei appear to be at different heights
pseudostratified columnar epithelium
Example of pseudostratified columnar epithelial
Lining of respiratory tract
Free edge cells are squamous, whereas the lower layrs closer to the basement membrane are cuboidal or columnar
Stratified squamous epithelium
3 examples of stratified squamous epithelium
Esophagus, mouth, outer layer of skin
3 examples of stratified epithelium
Urinary bladder, ureters, urethra
One or more cell sthat make and secrete a particular product
gland
5 examples of secretions by glands
oil, perspiration, mucus, digestive enzymes, hormones
Secrete hormones directly into bloodstream
endocrine glands
4 examples of endocrine glands
thyroid, pituitary, ovaries, testest
release secretion through ducts to the epithelial surface
exocrine glands
4 examples of exocrine glands
liver, pancreas, sweat glands, oil glands
3 types of epithelial membranes
cutaneous, mucous, serous
type of connective membrane
synovial
What defines a cutaneous membrane
hardened epithelium tissue layer with an underlying dense fibrous connective tissue layer
What type of body parts do mucous membranes line?
Body cavities open to exterior
What type of body parts do serous membranes line
closed ventral body cavities
two layers of serous membranes
parietal, visceral
2 functions of serous membranes
reduce friction, cushion and protect
3 parts of serous membranes
peritoneum, pleura, pericardium
Serous membrane that lines abdominal cavity
peritoneum
Serous membrane that lines around the lungs
pleura
Serous membrane that lines around the heart
pericardium