Intoduction to Veterinary Technician Ch.2

Terms Used to Describe Direction and Surface

...

Ventral

refers to the belly or underside of a body or body part.

Dorsal

Refers to the back.

Cranial

Toward the head.

Caudal

Toward the tail.

Anterior

Front of the body.

Posterior

Rear of the body.

Rostral

Nose end of the head.

Cephalic

Pertaining to the head.

Medial

Toward the midline.

Lateral

Away from the midline.

Superior

Uppermost, above, or toward the head.

Inferior

Lowermost, below, or toward the tail.

Proximal

Nearest the midline or nearest to the beginning of a structure.

Distal

Farthest from the midline or farthest from the beginning of a structure.

Superficial

Near the Surface.

Deep

Away from the Surface.

Palmer

The Caudal surface of the manus (front paw) including the carpus.

Plantar

The Caudal surface of the pes (Rear paw) including the tarsus.

Surfaces of Teeth

...

Lingual Surface

is the aspect of the tooth that faces the tongue.

Palatal Surface

is the tooth surface of the maxilla that faces the tongue.

Buccal Surface

is the aspect of the tooth that faces the cheek.
Also sometimes called the Vestibular Surface

Occlusal Surfaces

are the aspects of the teeth that meet when you chew.

Labial surface

is the tooth surface facing the lips.

Contact Surfaces

are the aspects of the tooth that touch other teeth.
Contact Surfaces are divided into...mesial and distal.

Cavity

is a hole or hallow space in the body that contains and protects internal organs.

Cranial Cavity

is the hollow space that contains the brain in the skull.

Spinal Cavity

is the hallow space that contains the spinal cord within the spinal column.

Thoracic Cavity or Chest Cavity

is the hallow space that contains the heart and lungs within the ribs between the neck and the diaphragm.

Abdominal Cavity

is the hallow space that contains the major organs of digestion located between the diaphragm and pelvic cavity.

Peritoneal Cavity

is the hallow space within the abdominal cavity between the parietal peritoneum and the visceral peritoneum.

Pelvic Cavity

is the hallow space that contains the reproductive and some excretory systems. Organs bounded by the pelvic bones.

Recumbant

is the only term used for lying down.

Medical Terms used to describe movement

...

Adduction

movement towards the midline.

Abduction

Movement away from the midline.

Flexion

closer of a joint angle.

Extension

straightening of a joint or an increase in the angle between two bones.

Hyperflexion

is the palmer or planter movement of the joint angles.

Hyperextension

the dorsal movement of the joints beyond the reference angle.

Supination

The act of rotating the limb or body part so that the palmer surface is turned upward.

Pronation

The act of rotating the limb or body part so that the palmer surface is turned downward.

Rotation

Circular movement.

Cytology

is the study of cells.

Histology

the study of the structure, composition, and function of tissue.

Aden/o

is the combining form of gland.

Glands

Groups of specialized cells that secrete material used elsewhere in the body.

Exocrine Glands

Groups of cells that secrete their chemical substances into ducts that lead out of the body or to another organ.

Endocrine Glands

Groups of cells that secrete their chemical substances directly into the bloodstream.

Organ

A part of the body that performs a special function or functions.

Combining Forms of Organs

...

Skeletal system

bones = oste/o
joints = arthr/o
cartiliage = chondr/o

Muscular system

muscles = my/o
fascia = fasc/i
tendons = ten/o

Cardiovascular system

heart = cardi/o
arteries = arteri/o
veins = ven/o
blood = hem/o

Lymphatic and immune system

tonsils = tonsill/o
spleen = splen/o
thymus = thym/o

Prefixes assigning number Value

...

uni-

one

due-, bi

two

tri-

three

quadri- or quadro-

four

quinqu- or quint-

five

Terms Used to Describe Direction and Surface

...

Ventral

refers to the belly or underside of a body or body part.

Dorsal

Refers to the back.

Cranial

Toward the head.

Caudal

Toward the tail.

Anterior

Front of the body.

Posterior

Rear of the body.

Rostral

Nose end of the head.

Cephalic

Pertaining to the head.

Medial

Toward the midline.

Lateral

Away from the midline.

Superior

Uppermost, above, or toward the head.

Inferior

Lowermost, below, or toward the tail.

Proximal

Nearest the midline or nearest to the beginning of a structure.

Distal

Farthest from the midline or farthest from the beginning of a structure.

Superficial

Near the Surface.

Deep

Away from the Surface.

Palmer

The Caudal surface of the manus (front paw) including the carpus.

Plantar

The Caudal surface of the pes (Rear paw) including the tarsus.

Surfaces of Teeth

...

Lingual Surface

is the aspect of the tooth that faces the tongue.

Palatal Surface

is the tooth surface of the maxilla that faces the tongue.

Buccal Surface

is the aspect of the tooth that faces the cheek.
Also sometimes called the Vestibular Surface

Occlusal Surfaces

are the aspects of the teeth that meet when you chew.

Labial surface

is the tooth surface facing the lips.

Contact Surfaces

are the aspects of the tooth that touch other teeth.
Contact Surfaces are divided into...mesial and distal.

Cavity

is a hole or hallow space in the body that contains and protects internal organs.

Cranial Cavity

is the hollow space that contains the brain in the skull.

Spinal Cavity

is the hallow space that contains the spinal cord within the spinal column.

Thoracic Cavity or Chest Cavity

is the hallow space that contains the heart and lungs within the ribs between the neck and the diaphragm.

Abdominal Cavity

is the hallow space that contains the major organs of digestion located between the diaphragm and pelvic cavity.

Peritoneal Cavity

is the hallow space within the abdominal cavity between the parietal peritoneum and the visceral peritoneum.

Pelvic Cavity

is the hallow space that contains the reproductive and some excretory systems. Organs bounded by the pelvic bones.

Recumbant

is the only term used for lying down.

Medical Terms used to describe movement

...

Adduction

movement towards the midline.

Abduction

Movement away from the midline.

Flexion

closer of a joint angle.

Extension

straightening of a joint or an increase in the angle between two bones.

Hyperflexion

is the palmer or planter movement of the joint angles.

Hyperextension

the dorsal movement of the joints beyond the reference angle.

Supination

The act of rotating the limb or body part so that the palmer surface is turned upward.

Pronation

The act of rotating the limb or body part so that the palmer surface is turned downward.

Rotation

Circular movement.

Cytology

is the study of cells.

Histology

the study of the structure, composition, and function of tissue.

Aden/o

is the combining form of gland.

Glands

Groups of specialized cells that secrete material used elsewhere in the body.

Exocrine Glands

Groups of cells that secrete their chemical substances into ducts that lead out of the body or to another organ.

Endocrine Glands

Groups of cells that secrete their chemical substances directly into the bloodstream.

Organ

A part of the body that performs a special function or functions.

Combining Forms of Organs

...

Skeletal system

bones = oste/o
joints = arthr/o
cartiliage = chondr/o

Muscular system

muscles = my/o
fascia = fasc/i
tendons = ten/o

Cardiovascular system

heart = cardi/o
arteries = arteri/o
veins = ven/o
blood = hem/o

Lymphatic and immune system

tonsils = tonsill/o
spleen = splen/o
thymus = thym/o

Prefixes assigning number Value

...

uni-

one

due-, bi

two

tri-

three

quadri- or quadro-

four

quinqu- or quint-

five