upper limb and heart

Brachial plexus a) Roots b) trunks c) divisions d)cords e) branches f)Applied.


Brachial Plexus DS
&
Trunks (s)
cords Roots 18 how a
divisions Trunks
↑
Cj 35] upper Trunk , (7-middle , Trunk.




·
-




Branches of Trunk

[Supraspinasas
-


Nerve (C5 , (s)
(i) Suprascapular
Subclavius (15 , (6)
~ 18 (ii) Nerve to
/subclavistas
& - TI Envisions posterior
Each Trunk divides into anterior and


divisions -




cords
medial root median They JoinTo form
of
Neuve


Plexus es [
cords ((5 , ((z)
rachial formed by 225 , 1s (7 , (8) 3->
3 branches




n
, Lateral
Lower 4 cervical (T1)
Primary Rami of
-Anterior Spiral nerves a
First Thorasic

variations in Formation of Brachial plexus [Prefixedaa i > 5
-
branches
Plexus
components of Brachial (e) Branches
-
(b) Trunks (1) Divisions (d) Lords ((5 , (6)
(a) Roots
-
behind
↓
atilla Medial Shranches .




neck cord >
clavicle (8 , T1
-




Dots (five) >
-
anterior 10 vami of C5-T (C , T)

Branches of Roots [
Branches
Pectoral N-Cs ,
1s , 17
i)
Lord/Lateral
·



nerve (C5 , 16 , (7)
Long Thorasic Lateral N
-
25 , (g , 17
(ii) ((5) Musculocutaneous
.




Dorsal scapular -
N L
nevve-citsly
Cost & Median

andsemmuscles
Lateral Root of
(iii)
BranchesLocolli mneumonic
Mast
Mummy Large
:
-



(iv) Branch Lapa
Y Front of Arm
supplies Pectoralis Major muscles of
Pectoralis minor brailis

~corneaaBiep
Point
Ed's




: ↑3
Medial
Pectoral· N
L p
Branches




28
of Medial



,
cord


Ti
Medial Root of Median
4 Median nerve
(5 , 1s , 28 , T,
, N (0 ,
T


I



.
major
minor
Anatomy
Applied
p .




ar m ( ,
Medial of sensory
brachial Plexus
cutaneous nerve
- carries
of The from
1) Lesions
nevve Foreaum (8 ,
Impulses
1



Medial cutaneous I
small area of
Adduction of shoulder > 25 Arm
-




medial side of
of shoulder ↳ -
>
-


Abduction
Large area of
elbow 151 1
Flexion of >
-
ulnar nevve C , 8 , Ti
Medial side of
Extension of elbow >
- C , 17
↓ -


front of forearm
Flexion of wrist
and
fingers >
- 18 , 7
, It muscle of -


forearm



Paralysisupper PlexusFryso it's
Frbs
# Palm
intrinsicMuscles of
.




⑮

and shoulder Branches of Posterior cord (5 (s)
increase in angle blu head
↳ excessive
caused by
back of horse 1) upper subscapular (5 , 1 >
-
subscapularis
↓ fall from
the shoulder-
and landing on
dorsi
3 171(8 + Lattismus
2) Thoracodorsal ,

injury)
Klumpkes paralysis
1
(lower plexus
of the arm 3) Lower subscapular (s / /s -> subscapulari's
caused by hyperabduction Teres Major
↳ fall outstrecked hand Minor
.




on
4) Axillary nerve 1516 >
- deltoid + Teres

+
5) Radial nerve (5-18 , T, Triceps brachi
12 muscles of Back
of forearm


RadialTice Brachia
#
Please

, Mammary gland a) extent and situation b) Deep relations c) structure of breast d) Lymphatic drainage e)Vascular supply f) Development of breast
g) (Applied aspects)
venous supply structure of Breast
-




Lymphatics
MAMMARY GLAND




m
Lymph Nodes
M ost
· impstr of pectoral region
·
Modified Apocrine sebaceous supraclavicular
·
female acc gland-nutrition to infants
No C T covering
·
.




Shape-
hemispherical bulge
Extent -




* horizontally
Except
hipples
I
superficial
drain skin of breast
at
Lymphatic drainage



areola
7
deep
drainparenchyma
sking nipple saveola


location -
LampFrom
stFascia Toppectoralismorse Anth post group - Central + -
> Apical S
> upra
-
Fascia Axilla >
pierces into deep of
Lateral clavicular
↓
Tumor
- Axillary Tail of spence (site of breast

·
Aperture in deepFacia foramen
Formed
-

of hanger




· Y




wipin
3

·
↳

breast
l
Reteromammary
⑫ serratus Anterior
external
mammary bed




space :
separated from pectoral
aveolar Tissue
oblique




Facial




Blood supply




·
-




Nerve
supply-
Ant + lat cutaneous by of
·




and- > 6th IC nerves


·
sensory Innervation to skin +

autonomic vibres to smoor muscles +
Br of breast
·
Nerves -
X mill secretion

[Prolactin secreted by Pit-control]