Intro to body Flashcards
Learning outcomes - Correctly use anatomical terminology for relative positions and planes - Describe the basic structure and function of the skin - Describe the main body cavities and their formation - Describe the visceral and parietal membranes of body cavities and their formation - Describe the major features of the axial and appendicular skeleton - Describe the main divisions of the nervous system and their function
Where is the radial artery located
- Sandwiched between the skin of the wrist and the underlying bone ( radius )
- The funny bone is the ulnar nerve
Explain the anatomical position
- Palms anteriorly
- Feet together
- Upper limbs are on each side
- Thumbs away from body
- Face forward
- Stand upright
Peripheral and central
Peripheral – away from the centre
Central – at or close to the centre
Dexter and sinister
Dexter – right side
Sinister - left side
Ipsilateral and contralateral
Ipsilateral – situated and or appearing on or affecting the same side of the body
Contralateral – occurring on or acting in conjuction with the opposite side of the body
uni lateral and bi lateral
Unilateral – of , relating to, or affecting one side of a subject , one sided
Bi lateral – of, relating to, affecting the right and left sides of the body
Cranium
skull
cephalon
head
cervix
neck
truncus
body
extreme=ity
limb
costa
rib
brachium
arm
antebrachium
forearm
Digit
finger or toe
oculus
eye
frons
forehead
oris
mouth
mamma
breast
auris
ear
facies
face
axilla
armpit
carpus
wrist
Palma
Palm
Manus
hand
umbilicus
belly button
thoracis
chest
bucca
cheek
pes
foot
tarsus
ankle
digits
fingers
antecubis
elbow
mental
chin
nasus
nose
crus
leg
patella
knee cap
pollex
thumb
Bucca
cheek
inguen
groin
hallux
great toe
olecranon
back of elbow
lumbus
lumbar
sura
calf
calcaneus
heel of foot
what type of joint are the sutures on the head
syvonoil joins
Types of planes
Saggital, coronal, transverse
skin
Skin
- Largest organ
- Weighs roughly 4kg
- Covers an area close to 2m squared
- Source of house dust
- Many important functions
1E2D3S
Sensory receptors in skin are for?
Pain , temp, pressure, touch , proprioception
Name things in the skin
Epidermis, dermis, subcutaneous fat, blood vessels, sweat glands, pain receptors, hair follicles
Two types of sweat glands
Merocrine sweat glands – acidic – since birth
Apocrine – alkaline – onset at puberty
Langers lines – lines of tension – best to make incisions within the langers lines to avoid risks of not good stitches – tend to spiral longitudinally In the limbs
Ectoderm, mesoderm and endoderm
Ectoderm – forms neural tube that goes onto spinal cord
Mesoderm forms cardiovascular system and forms cavities
Ectoderm forms reproductive systems and gastrointestinal tract
Folding is in two directions – head to toe – cephalocaudal
Endoderm is pinched off to form the gastro intestinal tube
The lateral folds close the body and enclose the body cavities
FOLDS HEAD TO TAIL AND SIDE TO SIDE The cavities are potential spaces around the heart ( pericardium ), lungs ( pleura ), and gastro intestinal tracts ( peritoneum )
Cavities and what they protect
Why does the body not like spaces and what do spaces most likely cause?
The cavities are potential spaces around the heart ( pericardium ), lungs ( pleura ), and gastro intestinal tracts ( peritoneum )
Cranial cavity, protective supportive box for brain and meninges
Pleural cavities for lungs
Pericardial cavity for heart
Abdominopelvic cavity for gastro intestinal and reproductive tracts
Cavities are lined with serous, slippery membranes. Potential spaces for movement and distension
The body HATES spaces as they are room for infection and inflammation
Examples
- Pleurisy
- Pericarditis
- Peritonitis
- Sinusitis
- Mastoidis
- Meningitis
Visceral layers are on organs
Parietal layers are against the wall of the cavity – the potential space is lined with fluid lubricated by a few mls of serous fluid ( pleura, pericardium, peritoneum)
Fascial spaces in terms of the knee
How is the skeleton compromised of and sectioned
The skeleton is compromised of bone and cartilage ( usually hyaline )
It is described as axial, skull vertebrae including sacrum, ribs and sternum AND appendicular – bones of upper and lower limbs including the scapula and clavicle ( pectoral girdle) and hip bone ( pelvic girdle )
Head is the cephalon and the brain is the encephalon
Spinal cord
- In the spinal canal
- Arranged segmentaly
- 33 ( ish ) pairs of nerves
The ANS and the SNS
SNS
- Innervates skeletal muscles, skin, oral and nasal cavities – sensory and motor
ANS
- Controls rhe functions of smooth muscles, glands, internal organs and blood S2-4 cord segments




