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Human body
What is human anatomy?

Anatomy is the study of structure of human body. It explains all the details related to human structure.

Subdivisions of Human Anatomy:

There are two main levels of structure of human body (as well as every other thing): macroscopic level and microscopic level. For each of the two levels. there is a separate subdivision of anatomy. The one dealing with macroscopic level is known as gross anatomy and the other which deals with microscopic level is called microscopic anatomy or histology.

Gross anatomy:

In gross anatomy, structure of human body is studied as seen by naked eye. There are two approaches for gross anatomy: Regional approach and Systemic approach.

•In regional approach, human body is divided into regions like arm, forearm, wrist etc and all structures within that region are studied simultaneously.

•Whereas in systemic approach, the body is divided into organ systems such as skeletal system, muscular system, nervous system etc and structures belonging to one system are studied together.

Histology:

Histology or microscopic anatomy is the study of the structure of various organs and tissues of human body under a microscope. The understanding of the ultra-structure helps understand the tissues and organs in a better way.

Superficial anatomy

Surface Human Anatomy

Can you name the Human Surface Anatomy?

Arms
Armpit
Abdomen (stomach,belly,tummy)
Arches of the foot
Ankles
Big toe
Back
Buttocks(Behind)
Back of head
Breast bone
Belly button
Back of knees
Back center of shins
Ball of foot
Between spine and butt cheeks
Butt cheeks
Back of genitals
Between pelvis and genitals
Chest
Calf
Cheeks
Chin
Eyes
Elbow
Ears
Forehead
Fingers
Finger nail
Front of knees
Front center of shins
Feet
Genitals
Head
Hands
Hips
Heels
Index-finger
Inner elbows
Knuckles
Knee
Little-finger
Legs
Lower arms
Lower sides around spine
Mouth
Middle-finger
Nose
Neck
Nipple
Navel, bellybuttom
Outer elbows
Palms
Pelvis
Ring-finger
Shoulders
Shoulder blade
Sides of back
Spine
Side of shins(Right)
Side of shins(Left)
Throat
Thumbs
Thighs
Toes
Upper torso
Under arms
Upper arms
Wrists

Body Systems - Human Anatomy

What is a human body system?

A system of human body means a collective functional unit made by several organs in which the organs work in complete coordination with one another. Organs cannot work alone because their are certain needs of every organ that need to be fulfilled and the organ itself cannot fulfill those needs. So all organs of human body need the support of other organs to perform their functions and in this way an organ system is formed.

Systems of the Human Body:
Human body is made of ten different systems. All the systems require support and coordination of other systems to form a living and healthy human body.
Name: Components Role
Skeletal System Bones, Associated cartilages, Joints Strength, Support, Shape, Protection, Leverage, Cell Production
Muscular System Muscles (Skeletal Muscles, Smooth mucles, Cardiac Muscles) Motor power for movements of body parts.
Nervous System Brain, Spinal Cord, Nerves, Nerve Endings Control and Coordination of all body functions (Nervous coordination)
Respiratory System Lungs, Nose, Trachea, Bronchi, Bronchioles, Alveolar sacs, Alveoli Gaseou exchange
Cardiovascular System Heart, Blood vessels (Arteries, Veins and Capillaries), Blood Flow of blood (and nutrients) throughout body
Lymphatic System Lymph vessels, Central lymphoid tissue, Peripheral Lymphoid Organs, Lymphocytes Drainage and Protection
Endocrine System Endocrine glands (Pituitary gland, Thyroid gland, Parathyroid glands, Adrenal glands, Pancreas (endocrine part), Testes (endocrine part), Ovary (endocrine part), Liver (endocrine part)) Regulation of body functions (Chemical coordination)
Digestive System Alimentary Canal (Oral Cavity, Esophagus, Stomach, Small Intestine, Large Intestine, Anus), Liver, Pancreas, Salivary glands, Teeth, Tongue Digestion and absorption of food
Urinary System Kidneys, Ureters, Urinary bladder, Urethra Regulation of body’s internal environment, and production and excretion of urine
Male Reproductive System Penis, Testes Formation of sperms and semen, and fertilizing the female
Female Reproductive System Uterus, Ovaries, Vulva, Labia, Clitoris Formation of eggs and bearing the fetus during development

What are all the human body parts A-Z?

Human Anatomy Index

A

Abdominal cavity, Abdominal wall, Acetabulum, Air cells, Ampulla, Anatomical snuff box, Angle, Antitragus, Anus, Aorta, Aperture, Aponeurosis, Appendages, Appendix, Arch, Arm, Artery, Atrium, Auricle, Axilla

B

Bladder, Body, Bone, Brain, Breast (mammary gland), Brim, Bronchus, Bulb, Bulla, Bursa

C

Calyx, Canal, Canaliculi, Cartilage, Cauda equina, Cavity, Cecum, Cerebellum, Cerebrum, Cervix, Chamber, Chiasm, Choanae, Chordae tendineae, Circle, Cisterna chyli, Clitoris, Cochlea, Colon, Columns, Commissure, Compartments, Concha, Condyle, Conus medullaris, Cord, Cornea, Corpora cavernosa, Corpus luteum, Crest, Crista, Crus

D

Dermatomes, Diaphragm, Diaphragma sellae, Dorsum sellae, Duct, Ductus, Duodenum

E

Ear, Eminence, Endocranium, Endometrium, Enlargements of spinal cord, Epicondyles, Epididymis, Epiglottis, Esophagus, Extensor expansion

F

Falx, Fascia, Fat, Fibers, Filum terminale, Fissure, Flexure, Fluid, Fold, Follicle, Foramen, Forearm, Fornix, Fossa, Fovea, Frenulum

G

Galea aponeurotica, Gallbladder, Ganglion, Gland, Granulation, Groove, Gubernaculum, Gutter

H

Hamulus, Hand, Haustra (sacculations), Heart, Helix, Hemispheres, Hiatus, Hymen

I

Ileum, Infundibulum, Infundibulum (pituitary stalk), Intersections, Iris

J

Jejunum, Joint, Junction

K

Kidney, Kidneys

L

Labia, Labrum, Laminectomy, Laryngopharynx, Larynx, Leg, Lens, Ligament, Ligamentum, Line, Linea, Lingula, Liver, Lobule, Lung, Lymph nodes

M

Malleolus, Margin, Meatus, Mediastinum, Medulla oblongata, Membrane, Meninges, Meniscus, Mesentery, Mesocolon, Mesometrium, Mesorchium, Mesosalpinx, Mesovarium, Midbrain, Mons pubis, Muscle, Muscles, Myometrium

N

Nasopharynx, Neck, Nerve, Nipple, Node, Nodule, Nose, Notch

O

Omentum, Ora serrata, Orbit, Orifice, Oropharynx, Os, Ovaries, Oviduct

P

Palate, Pancreas, Papilla, Parametrium, Parotid duct, Pelvis, Penis, Pericardium, Perimetrium, Perineum, Peritoneum, Pes anserinus superficialis, Peyer's patches, Pharynx, Plate, Pleura, Plicae circulares, Point, Erb's, Pons, Pouch, Process, Prominence, Promontory, Protuberance, Pterion, Pupil

Q

R

Ramus, Raphe, Recess, Rectum, Region, Retina, Retinaculum, Ring, Rugae

S

Sac, Scalp, Sclera, Scrotum, Segment, Sella turcica, Seminal colliculus, Seminal vesicles, Septum, Sheath, Sinus, Space, Sphincter, Spinal cord, Spine, Spleen, Stomach, Sulcus, Superior epigastric artery, Suture, Symphysis T

Taeniae coli, Teeth, Tegmen tympani, Tendon, Tentorium, Thigh, Thoracocentesis, Tongue, Tonsil, Torus tubarius, Trabeculae carneae, Trachea, Tract, Tragus, Triad, Triangle, Trigone, Trochlea, Trunk, Tube, Tubercle, Tuberosity, Tubule, Tunic, Tunica, Tunnel, carpal, Turbinate

U

Umbilicus, Ureter, Urethra, Uterus, Utricle

V

Vagina, Vallecula, Valve, Vein, Venous plexus, Ventricle, Vertebra, Vesicles, Vessels, Vestibule, Vinculae

W

Wing

X
Y
Z

Internal Parts

•Adrenals
•Appendix
•Bladder
•Brain
•Esophagus
•Eyes
•Gallbladder
•Heart
•Intestines
•Kidney
•Liver
•Lung
•Ovaries
•Pancreas
•Parathyroids
•Pituitary
•Prostate
•Spleen
•Stomach
•Testicles
•Thymus
•Thyroid
•Uterus
•Veins

External Parts

•Head
•Forehead
•Jaw
•Cheek
•Chin
•Eye
•Ear
•Nose
•Mouth
•Teeth
•Tongue
•Throat
•Neck
•Adam's apple
•Shoulders
•Arm
•Elbow
•Wrist
•Hand
•Fingers
•Thumb
•Spine
•Chest
•Thorax
•Breast
•Abdomen
•Groin
•Hip
•Buttocks
•Navel
•Penis
•Scrotum
•Clitoris
•Vulva
•Leg
•Thigh
•Knee
•Calf
•Heel
•Ankle
•Foot
•Toes

Surface Anatomy and Surface Markings

Surface Anatomy of the Head and Neck
Surface Markings of Special Regions of the Head and Neck
Surface Anatomy of the Back
Surface Markings of the Back
Surface Anatomy of the Thorax
Surface Markings of the Thorax
Surface Anatomy of the Abdomen
Surface Markings of the Abdomen
Surface Anatomy of the Perineum
Surface Markings of the Perineum
Surface Anatomy of the Upper Extremity
Surface Markings of the Upper Extremity
Surface Anatomy of the Lower Extremity
Surface Markings of the Lower Extremity
Here are further guidelines.

Largest Organs Of The Body

Brain
Thyroid
Skin
Lungs
Heart
Pancreas
Liver
Spleen
Prostate
Kidneys
Stomach
Bladder

Organs Of The Body

There are almost 78 organs in a human body which vary according to their sizes, functions or actions. An organ is a collection of millions of cells which group together to perform single functions in a human body. The cells in these body organs are highly specialized and formed for all the necessary actions for some specific time. Out of these 78 organs of a male or female body, skin is the largest or biggest organ with respect to its size and weight. The major organ in the body of human beings is the brain which is primarily responsible for performing all the functions and actions of a human body. Other top ten organs of the body are given in the following list with names and functions.

Adrenal Glands
Anus
Appendix
Bladder
Bones
Brain
Bronchi
Ears
Esophagus
Eyes
Gall Bladder
Genitals
Heart
Hypothalamus
Kidneys
Large Intestine
Larynx (voice box)
Liver
Lungs
Lymph Nodes
Mouth
Nose
Pancreas
Parathyroid Glands
Pituitary Gland
Prostate
Rectum
Salivary Glands
Skeletal Muscles
Skin
Small Intestine
Spinal Cord
Spleen
Stomach
Thymus Gland
Trachea
Thyroid
Ureters
Urethra

Here are further guidelines.

Here are further guidelines.

Here are further guidelines.

Osteology

Anatomy - levels of structural organization in the human body

1. chemical level; 2. cellular level; 3. tissue level; 4. organ level; 5. system; and 6. organismal

chemical level includes atoms organized into molecules (example: DNA, glucose)
cellular level molecules are organized into cells which are the basic structural and functional living units an organism (example: muscle cells, nerve cells, blood cells)
tissue level cells are organized into tissues to perform a particular function (example: epitheleal, connective, muscle and nervous tissues)
organ level structures that are composed of 2 or more different types of tissues, that have specific functions and usually have recognizable shapes (example: liver, stomach, heart, lungs, brain)
system level or organ-system level consists of related organs with a common function (example: digestive system, which breaks down and absorbs food, and includes the mouth, salivary glands, esophagus, stomach, small intestine, large intestine, liver, gallbladder and pancreas)
organismal level all the systems are structurally integrated and function cooperatively to constitute the total organsim (example: the human body)
Here are further guidelines.
Why Do Men Have an Adam's Apple But Women Don't?

Adam's apples are found on both women and men they just show up more prominently in men as a chunk of bony cartilage that's wrapped around the larynx.

Also known as the laryngeal prominence, the Adam's apple sits right on top of the thyroid gland, so the area is fittingly called the thyroid cartilage.