Veterinary Terminology Ch. 2 Pt. 2

cavity

a hole or hollow space in the body that contains and protects internal organs

cranial cavity

the hollow space that contains the brain in the skull

spinal cavity

the hollow space that contains the spinal cord within the spinal column

thoracic cavity

the hollow space that contains the heart and lungs within the ribs between the neck and diaphragm

abdominal cavity

the hollow space that contains the major organs of digestion located between the diaphragm and pelvic cavity

peritoneal cavity

the hollow space within the abdominal cavity between the parietal peritoneum and the visceral peritoneum

pelvic cavity

the hollow space that contains the reproductive and some excretory systems organs bounded by the pelvic bones

abdomen

the portion of the body between the thorax and the pelvis containing the abdomen cavity

thorax

the chest region located between the neck and diaphragm

groin

the lower region of the abdomen adjacent to the thigh

inguinal area

also known as the groin

membrane

are thin layers of tissue that cover a surface, line cavity, or divide a space an organ

peritoneum

the membrane lining the walls of the abdominal and pelvic cavities and it covers some organs in this area

parietal peritoneum

the outer layer of the peritoneum that lines the abdominal and pelvic cavities

visceral peritoneum

the inner layer of the peritoneum that surrounds the abdominal organs

peritonitis

inflammation of the peritoneum

umbilicus

the pit in the abdominal wall marking the point where the umbilical cord entered the fetus

naval

another name for the umbilicus

mesentery

the layer of the peritoneum that suspends parts of the intestine in the abdominal cavity

retroperitoneal

superficial to the peritoneum

recumbent

lying down

dorsal recumbency

lying on the back

ventral recumbency

lying on the belly

sternal recumbency

lying on the belly

left lateral recumbency

lying on the left side

right lateral recumbency

lying on the right side

prone

lying in ventral or sternal recumbency

supine

lying in dorsal recumbency

adduction

Movement towards the midline

abduction

Movement away from the midline

extension

straightening of the joint or an increase in the angel between two bones

flexion

closure of a joint angel, or reduction of the angel between two bones

hyperflexion

occurs when a joint is flexed too far

hyperextension

occurs when a joint is extended too far

supination

that act of rotating the limb or body parts so the palmar surface is turned upward

pronation

that act of rotating the limb or body parts so the palmar surface is turned downward

rotation

circular movement around an axis

cyt/o

cell

cytology

the study of cells

plasm

formative material of cells

protoplasm

The cell membrane, cytoplasm, and the nucleus

cell membrane

the structure lining the cell that protects the cell's contents and regulates whats go in and out of the cell (also called plasma membrane)

cytoplasm

the gelatinous material located in the cell membrane that is not part of the nucleus

nucleus

the structure in a cell that contains nucleoplasm, chromosomes, and the surrounding membrane

nucleoplasm

the material in the nucleus

chromosomes

the structures int the nucleus composed of DNA, which transmit genetic information

genetic

term used to denote something that pertains to genes or heredity

genetic disorder

any inherited disease or condition caused by defective genes

congenital

denotes something that is present at birth (Abnormalities of the body that are present at the time of birth)

anomaly

the deviation from what is regarded as normal. (May be used instead of defect)

tissue

a group of specialized cells that is similar in structure and function

histology

the study of structure and function of tissue

hist/o

tissue

epithelial tissue

covers internal and external body surfaces and is made of tightly packed cells in a variety of arrangements

epithelium

covers internal and external body surfaces and is made of tightly packed cells in a variety of arrangements

endothelium

the cellular covering that forms the lining of the internal organs, including the blood vessels.

mesothelium

the cellular covering that forms the lining of serous membranes such as peritoneum

connective tissue

adds support and structure to the body by holding the organs in place and binding body parts together

adipose tissue

also known as fat

muscle tissue

contains material with specialized ability to contract and relax

nervous tissue

contains cells with specialized ability to react to stimuli and conduct electrical impulses.

-plasia

formation, development, and growth of tissue and cell numbers

-trophy

formation, development, and increase in the size of tissue and cells

anaplasia

change in the structure of cells and their orientation to each other

aplasia

lack of development of an organ or a tissue or a cell

dysplasia

abnormal growth or development of an organ or a tissue or a cell

hyperplasia

abnormal increase in the number of normal cells in normal arrangement in an organ or tissue or a cell

hypoplasia

incomplete or less than normal development of an organ or tissue or a cell

neoplasia

any abnormal new growth of tissue in which multiplication of cells is uncontrolled, more rapid than normal, and progressive

tumor

distinct mass of tissue

benign

not recurring

malignant

tending to spread and be life threatening

-oma

tumor or neoplasm

atrophy

decrease in size or complete wasting of an organ or tissue or cell

dystrophy

defective growth in the size of an organ or tissue or cell

hypertrophy

increase in the size of an organ or tissue or cell

glands

groups of specialized cells that secrete material used elsewhere in the body

exocrine glands

group of cells that secrete their chemical substances into ducts that leads out of the body or to another organ

endocrine glands

group of cells that secrete their chemical substances directly into the bloodstream, which transports them throughout the body

organ

part of the body that performs a special function or functions

bicornuate uterus

uterus with two horns

unilateral

pertaining to one side

bilateral

pertaining to two sides

oste/o, oss/e, or oss/i

bones

pneum/o

lungs

arthr/o

joints

chondr/o

cartilage

my/o

muscles

fasc/i or fasci/o

fascia

ten/o, tend/o, or tendin/o

tendons

cardi/o

heart

arteri/o

arteries

ven/o or phleb/o

veins

hem/o or hemat/o

blood

lymph/o

lymph vessels, fluid, and nodes

tonsill/o

tonsils

splen/o

spleen

thym/o

thymus

nas/o or rhino/o

nose or nares

or/o or stomat/o

mouth

esophag/o

esophagus

gastr/o

stomach

enter/o

small intestine

col/o or colon/o

large intestine

hepat/o

liver

pancreat/o

pancreas

ren/o or nephr/o

kidneys

ureter/o

ureters

cyst/o

urinary bladder

urethr/o

urethra

neur/o or neur/i

nerves

encephal/o

brain

myel/o

spinal cord

opthalm/o, ocul/o, opt/o, or opt/i

eyes

optic/o

sight

ot/o, aur/i, aur/o, audit/o, aud/i

ears

acoust/o or acous/o

external ear / sound

dermat/o, derm/o, or cutane/o

skin

adren/o

adrenals

gonad/o

gonads

pineal/o

pineal

pituit/o

pituitary

thyroid/o or thyr/o

thyroid

orch/o, orchi/o, orchid/o, or testicul/o

testes

ovari/o or oophor/o

overies

hyster/o, metr/o, metr/i, metri/o, or uter/o

uterus

uni-

one

mono-

one

duo-, bi-

two

dyo-

two

tri-

three

quadri- or quadro-

four

tetr- or tetra-

four

quinqu-, quint-

five

pent- or penta-

five

sex-

six

hex- or hexa-

six

sept- or sept-

seven

hept- or hepta-

seven

octo-

eight

oct-, octa-

eight

novem- or nonus-

nine

ennea-

nine

deca- or decem-

ten

dek- or deka-

ten