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TERM DEFINITION

Aditus an ENTRANCE/OPENING

Ala a WING-LIKE PROCESS

Alveolus a DEEP NARROW PIT (tooth socket)

Ampulla describes the DIALATED PART of a DUCT

Antrum a CAVITY

Aponeurosis

a Glistening SHEET of FIBROUS TISSUE (from which muscle fibers

arise or ito which they run)

Artery a BLOOD VESSEL which CONDUCTS BLOOD FROM the HEART

Bone

a special FORM of CONNECTIVE TISSUE in which CALCIUM SALTS

are DEPOSITED and which PROVIDES a FRAMEWORK/SKELETON

for the OTHER TISSUES of the body

Bursa

a MEMBRANOUS SAC CONTAINING a SMALL AMOUNT of VISCOUS

FLUID

Canal a TUBULAR and relatively NARROW CHANNEL/TUNNEL

Capsule a FIBROUS/MEMBRANOUS ENVELOPE SURROUNDING an ORGAN

Cartilage

a FIRM WHITE TISSUE that PROTECTS the SURFACES of BONES and

JOINTS

Caruncle a SMALL FLESHY EMINENCE

Cuada TAIL

Cavity a HOLLOW SPACE

Cervix

means NECK, and is applied to the NECK LIKE PORTION of an

ORGAN

Chiasma a CROSSING of FIBERS in the form of an X

Commissure

a BAND of FIBERS which JOIN CORRESPONDING RIGHT and LEFT

PARTS of a STRUCTURE ACROSS the MEDIAN PLANE

Corpus mean BODY

Cortex

OUTER PART/RIND, or some ORGANS as distinguished from their

INNER PART/CORE usually called a MEDULLA

Crest a PROJECTING RIDGE (esp w/ bones)

Crus means a LEG

Disc

a FLAT ROUND STRUCTURE usually applied to PLATES of

CARTILAGE in JOINTS

Duct a TUBE for the PASSAGE of FLUIDS, esp SECRETIONS of GLANDS

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Epithelium

a LAYER of CELLS which form the EXTERNAL SURFACE of the SKIN,

or which LINES the CAVITIES of the DIGESTIVE, RESPIRATORY, and

UROGENITAL ORGANS, SEROUS CAVITIES, INNER COATS of BLOOD

and LYMPHATIC VESSELS, GLAND and CAVITIES w/in the BRAIN;

SKIN = EPIDERMIS; LINING BLOOD VESSELS = ENDOTHELIUM;

SEROUS CAVITIES = MESOTHELIUM

Fascia

TISSUE which lies immediately DEEP to the SKIN known as

SUBCUTANEOUS TISSUE; usually consists of a LAYER of

CONNECTIVE TISSUE which contains FAT, and of a DEEP and more

FIBROUS LAYER which ADHERES to the SURFACE of the

UNDERLYING MUSCLE and VESSELS; SURROUNDS EVERY MUSCLE,

ORGAN, VESSEL, and NERVE in the body

Fasciculus a SMALL BUNDLE

Filum

"THREAD"; this name is given to several THREAD-LIKE

STRUCTURES

Fold a RIDGE FORMED where a MEMBRANE DOUBLES BACK on ITSELF

Folium

"LEAF"; the plural "folia" is applied to the folds of the CORTEX of

the CEREBELLUM

Foramen a HOLE; often in bone or b/t adjacent bones

Fossa a "DITCH", usually referring to a SHALLOW DEPRESSION or CAVITY

Fovea a SMALL PIT or FOSSA

Frenulum

a SMALL FOLD of the MUCOUS COAT which limits the movement

of the structure to which it is attachedFundus used to denote the WIDEST PART of a HOLLOW ORGAN

Ganglion

a SWELLING on the COURSE of a NERVE; usually corresponds to a

collection of nerve cells

Gyrus a FOLD or CONVOLUTION of the CEREBRAL CORTEX

Hilum

a DEPRESSION or NOTCH where BLOOD VESSELS ENTER or LEAVE

an ORGAN

Humor applied to FLUIDS of the EYE

Infundibulum a FUNNEL-SHAPED PASSAGE

Interdigitate an INTERLOCKING of STRUCTURES by FINGER-LIKE PROCESSES

Invaginate

a process when part of a wall of a structure is pushed inwards sothat the structure which invaginates the membrane becomes

partly ensheathed by it

Isthmus

a NARROW PART of a DUCT or other PASSAGE, or a NARROW

STRIP of TISSUE CONNECTING 2 WIDER PARTS of an ORGAN

Joints PLACES where BONES MEET EACH OTHER (ARTICULATE)

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- Fibrous Joint

Where BONES are CONNECTED by FIBROUS TISSUE (suture of the

skull)

- Cartlaginous Joint

where BONES are UNITED by CARTILAGINOUS TISSUE (symphysis

pubis)

- Synovial Joint

where a SPACE INTERVENES b/t the ARTICULATING ENDS of

BONES

- Articular Capsule ENCLOSES the SYNOVIAL JOINT; LINED by a SYNOVIAL MEMBRANE

- Synovial Membrane SECRETES a LUBRICATING FLUID in SYNOVIAL JOINTS

Labium LIP

Lamina

a THIN PLATE of BONE or CARTILAGE or a THIN LAYER of SOFTER

TISSUES

- Stratum is also used to denote a LAYER

Ligament

a BAND of FIBROUS CONNECTIVE TISSUE that CONNECTS BONE to

BONE

Lobe a PART of an ORGAN, often separated by the rest by a FISSURE

Meatus a PASSAGE/OPENING

Muscle

consist of MASSES of SPECIAL CONTRACTILE CELLS which are

UNDER NERVOUS CONTROL

Nerves

- Dorsal Root

ARISES from the POSTERIOR ASPECT of the SPINAL CORD; consists

of SENSORY (AFFERENT) FIBERS

- Ventral Root

ARISES from the ANTERIOR ASPECT of the SPINAL CORD; consists

of MOTOR (EFFERENT) FIBERS

- Dorsal RamusSUPPLIES the DEEPER MUSCLES of the BACK and their OVERLYINGSKIN

- Ventral Ramus

SUPPLIES MUSCLES and SKIN on the LATERAL and ANTERIOR

ASPECTS of the body; also SUPPLIES the LIMBS

Neuron NERVE CELL, is the FUNCTIONAL UNIT of the NERVOUS SYSTEM

- Axon

ONE of the PROCESSES on a NEURON; CARRIES the ACTION

POTENTIAL AWAY FROM the CELL BODY

- Dendrites

the OTHER PROCESS on a NEURON; CARRIES the ACTION

POTENTIAL TOWARDS the CELL BODY (RECEIVES the AP)

Node a SWELLING or PROTUBERANCE

Notch an INDENTATION or DEPRESSION

Nucleus

means "KERNEL" or "NUT"; used to describe an AGGREGATION or

CLUSTER of NERVE CELLS

Papilla a SMALL NIPPLE-SHAPED ELEVATION

Periosteum the FIBROUS COVERING of a BONE

Plexus a NETWORK of NERVE or VESSEL PROCESSES

Pouch POCKETS of PERITONEUM in the ABDOMEN

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Process

an APPENDAGE or PROJECTION form the MAIN PART of a BONE or

ORGAN

Punctum a MINUTE OPENING

Ramus a BRANCH

Raphe a SEAM where 2 similar SHEETS of TISSUE UNITE

Rete

a NETWORK, used to describe PLEXUSES of SMALL CANALS,

NERVES, or VESSELS

Retinaculum

a BAND of CONNECTIVE TISSUE, usually connected at BOTH ENDS

to BONE, which keeps TENDONS or other structures in place

Rima

a CLEFT of FISSURE that refers to a NARROW OVAL or OBLONG

OPENING

Root

the PART of a NERVE or ORGAN which arises from ANOTHER

STRUCTURE

Sac a BAG-LIKE CAVITY or POUCH

Septum a DIVIDING WALL/PARTITION

Sinus

a RECESS, a CAVITY or HOLLOW SPACE, a DIALATED CHANNEL for

VENOUS BLOOD or a SMALL TUNNEL

Space

a CLEARLY DEMARCATED SEGMENT of TISSUE or POTENTIAL

CAVITY

Spine a SMALL, SHARP-POINTED PROJECTION from a BONE

Stroma SUPPORTING FIBROUS FRAMEWORK of TISSUE

Substantia means SUBSTANCE or MATTER

Sulcus a GROOVE

Taenia a FLAT BAND or TAPE, applied to a NARROW STRIP of MUSCLE

Tendon

a CORD of CONNECTIVE TISSUE into which MUSCLE FIBERS END by

which a MUSCLE is ATTACHED to BONE or other structures

(CONNECTS MUSCLE to BONE)

Trabecula means a BEAM or BAR

Tract

a BUNDLE of FIBERS, often NERVE FIBERS, having similar ORIGINS

and TERMINATIONS

Trigonum a TRIANGULAR SPACE or AREA

Trochlea PULLEY

Tuber an ENLARGMENT of SWELLING

Tubercle an EMINENCE on a BONE, usually smoother than a tuberosityTuberosity a ROUGH EMINENCE on a BONE

Tunica a COVERING or COAT around MUSCLE or HOLLOW VISCERA

Uvula

means "LITTLE GRAPE", usually referring to the SMALL FLESHY

APPENDAGE that HANGS from the SOFT PALATE

Vallecula a WIDE DEPRESSION, FURROW, or VALLEY

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Valve

a FOLD in an ARTERY, VEIN, or DUCT which PREVENTS REFLUX of

its CONTENTS

Vas a TUBULAR STRUCTURE

Veins VESSELS that RETURN BLOOD from CAPILLARIES to the HEART

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TERM DEFINITION

Aditus

Ala

Alveolus

Ampulla

Antrum

Aponeurosis

Artery

Bone

Bursa

Canal

Capsule

Cartilage

Caruncle

Cuada

Cavity

Cervix

Chiasma

Commissure

Corpus

Cortex

CrestCrus

Disc

Duct

Epithelium

Fascia

Fasciculus

Filum

Fold

Folium

ForamenFossa

Fovea

Frenulum

Fundus

Ganglion

Gyrus

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Hilum

Humor

Infundibulum

Interdigitate

Isthmus

Joints

- Fibrous Joint

- Cartlaginous Joint

- Synovial Joint

- Articular Capsule

- Synovial Membrane

Labium

Lamina

- Stratum

Ligament

Lobe

Meatus

Muscle

Nerves

- Dorsal Root

- Ventral Root

- Dorsal Ramus

- Ventral Ramus

Neuron

- Axon- Dendrites

Node

Notch

Nucleus

Papilla

Periosteum

Plexus

Pouch

Process

PunctumRamus

Raphe

Rete

Retinaculum

Rima

Root

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Sac

Septum

Sinus

Space

Spine

Stroma

Substantia

Sulcus

Taenia

Tendon

Trabecula

Tract

Trigonum

Trochlea

Tuber

Tubercle

Tuberosity

Tunica

Uvula

Vallecula

Valve

Vas

Veins

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TERM DEFINITION

an ENTRANCE/OPENING

a WING-LIKE PROCESS

a DEEP NARROW PIT (tooth socket)

describes the DIALATED PART of a DUCT

a CAVITY

a Glistening SHEET of FIBROUS TISSUE (from which muscle fibers

arise or ito which they run)

a BLOOD VESSEL which CONDUCTS BLOOD FROM the HEART

a special FORM of CONNECTIVE TISSUE in which CALCIUM SALTS

are DEPOSITED and which PROVIDES a FRAMEWORK/SKELETON

for the OTHER TISSUES of the body

a MEMBRANOUS SAC CONTAINING a SMALL AMOUNT of VISCOUS

FLUID

a TUBULAR and relatively NARROW CHANNEL/TUNNEL

a FIBROUS/MEMBRANOUS ENVELOPE SURROUNDING an ORGAN

a FIRM WHITE TISSUE that PROTECTS the SURFACES of BONES and

JOINTS

a SMALL FLESHY EMINENCE

TAIL

a HOLLOW SPACEmeans NECK, and is applied to the NECK LIKE PORTION of an

ORGAN

a CROSSING of FIBERS in the form of an X

a BAND of FIBERS which JOIN CORRESPONDING RIGHT and LEFT

PARTS of a STRUCTURE ACROSS the MEDIAN PLANE

mean BODY

OUTER PART/RIND, or some ORGANS as distinguished from their

INNER PART/CORE usually called a MEDULLA

a PROJECTING RIDGE (esp w/ bones)

means a LEGa FLAT ROUND STRUCTURE usually applied to PLATES of

CARTILAGE in JOINTS

a TUBE for the PASSAGE of FLUIDS, esp SECRETIONS of GLANDS

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a LAYER of CELLS which form the EXTERNAL SURFACE of the SKIN,

or which LINES the CAVITIES of the DIGESTIVE, RESPIRATORY, and

UROGENITAL ORGANS, SEROUS CAVITIES, INNER COATS of BLOOD

and LYMPHATIC VESSELS, GLAND and CAVITIES w/in the BRAIN;

SKIN = EPIDERMIS; LINING BLOOD VESSELS = ENDOTHELIUM;

SEROUS CAVITIES = MESOTHELIUM

TISSUE which lies immediately DEEP to the SKIN known as

SUBCUTANEOUS TISSUE; usually consists of a LAYER of

CONNECTIVE TISSUE which contains FAT, and of a DEEP and more

FIBROUS LAYER which ADHERES to the SURFACE of the

UNDERLYING MUSCLE and VESSELS; SURROUNDS EVERY MUSCLE,

ORGAN, VESSEL, and NERVE in the body

a SMALL BUNDLE

"THREAD"; this name is given to several THREAD-LIKE STRUCTURES

a RIDGE FORMED where a MEMBRANE DOUBLES BACK on ITSELF

"LEAF"; the plural "folia" is applied to the folds of the CORTEX of

the CEREBELLUM

a HOLE; often in bone or b/t adjacent bones

a "DITCH", usually referring to a SHALLOW DEPRESSION or CAVITY

a SMALL PIT or FOSSA

a SMALL FOLD of the MUCOUS COAT which limits the movement

of the structure to which it is attachedused to denote the WIDEST PART of a HOLLOW ORGAN

a SWELLING on the COURSE of a NERVE; usually corresponds to a

collection of nerve cells

a FOLD or CONVOLUTION of the CEREBRAL CORTEX

a DEPRESSION or NOTCH where BLOOD VESSELS ENTER or LEAVE

an ORGAN

applied to FLUIDS of the EYE

a FUNNEL-SHAPED PASSAGE

an INTERLOCKING of STRUCTURES by FINGER-LIKE PROCESSES

a NARROW PART of a DUCT or other PASSAGE, or a NARROWSTRIP of TISSUE CONNECTING 2 WIDER PARTS of an ORGAN

PLACES where BONES MEET EACH OTHER (ARTICULATE)

Where BONES are CONNECTED by FIBROUS TISSUE (suture of the

skull)

where BONES are UNITED by CARTILAGINOUS TISSUE (symphysis

pubis)

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where a SPACE INTERVENES b/t the ARTICULATING ENDS of

BONES

ENCLOSES the SYNOVIAL JOINT; LINED by a SYNOVIAL MEMBRANE

SECRETES a LUBRICATING FLUID in SYNOVIAL JOINTS

LIP

a THIN PLATE of BONE or CARTILAGE or a THIN LAYER of SOFTER

TISSUES

is also used to denote a LAYER

a BAND of FIBROUS CONNECTIVE TISSUE that CONNECTS BONE to

BONE

a PART of an ORGAN, often separated by the rest by a FISSURE

a PASSAGE/OPENING

consist of MASSES of SPECIAL CONTRACTILE CELLS which are

UNDER NERVOUS CONTROL

ARISES from the POSTERIOR ASPECT of the SPINAL CORD; consists

of SENSORY (AFFERENT) FIBERS

ARISES from the ANTERIOR ASPECT of the SPINAL CORD; consists

of MOTOR (EFFERENT) FIBERS

SUPPLIES the DEEPER MUSCLES of the BACK and their OVERLYING

SKIN

SUPPLIES MUSCLES and SKIN on the LATERAL and ANTERIOR

ASPECTS of the body; also SUPPLIES the LIMBS

NERVE CELL, is the FUNCTIONAL UNIT of the NERVOUS SYSTEMONE of the PROCESSES on a NEURON; CARRIES the ACTION

POTENTIAL AWAY FROM the CELL BODY

the OTHER PROCESS on a NEURON; CARRIES the ACTION

POTENTIAL TOWARDS the CELL BODY (RECEIVES the AP)

a SWELLING or PROTUBERANCE

an INDENTATION or DEPRESSION

means "KERNEL" or "NUT"; used to describe an AGGREGATION or

CLUSTER of NERVE CELLS

a SMALL NIPPLE-SHAPED ELEVATION

the FIBROUS COVERING of a BONEa NETWORK of NERVE or VESSEL PROCESSES

POCKETS of PERITONEUM in the ABDOMEN

an APPENDAGE or PROJECTION form the MAIN PART of a BONE or

ORGAN

a MINUTE OPENING

a BRANCH

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a SEAM where 2 similar SHEETS of TISSUE UNITE

a NETWORK, used to describe PLEXUSES of SMALL CANALS,

NERVES, or VESSELS

a BAND of CONNECTIVE TISSUE, usually connected at BOTH ENDS

to BONE, which keeps TENDONS or other structures in place

a CLEFT of FISSURE that refers to a NARROW OVAL or OBLONG

OPENING

the PART of a NERVE or ORGAN which arises from ANOTHER

STRUCTURE

a BAG-LIKE CAVITY or POUCH

a DIVIDING WALL/PARTITION

a RECESS, a CAVITY or HOLLOW SPACE, a DIALATED CHANNEL for

VENOUS BLOOD or a SMALL TUNNEL

a CLEARLY DEMARCATED SEGMENT of TISSUE or POTENTIAL

CAVITY

a SMALL, SHARP-POINTED PROJECTION from a BONE

SUPPORTING FIBROUS FRAMEWORK of TISSUE

means SUBSTANCE or MATTER

a GROOVE

a FLAT BAND or TAPE, applied to a NARROW STRIP of MUSCLE

a CORD of CONNECTIVE TISSUE into which MUSCLE FIBERS END by

which a MUSCLE is ATTACHED to BONE or other structures

(CONNECTS MUSCLE to BONE)

means a BEAM or BARa BUNDLE of FIBERS, often NERVE FIBERS, having similar ORIGINS

and TERMINATIONS

a TRIANGULAR SPACE or AREA

PULLEY

an ENLARGMENT of SWELLING

an EMINENCE on a BONE, usually smoother than a tuberosity

a ROUGH EMINENCE on a BONE

a COVERING or COAT around MUSCLE or HOLLOW VISCERA

means "LITTLE GRAPE", usually referring to the SMALL FLESHY

APPENDAGE that HANGS from the SOFT PALATEa WIDE DEPRESSION, FURROW, or VALLEY

a FOLD in an ARTERY, VEIN, or DUCT which PREVENTS REFLUX of

its CONTENTS

a TUBULAR STRUCTURE

VESSELS that RETURN BLOOD from CAPILLARIES to the HEART