EXCRETORY SYSTEM OF THE BODY ARE AS FOLLOW KIDNEY UETER URINARY BLADDER 1] KIDNEY – The kidneys are pair of excretory organs situated on posterior wall of abdomen one on each side of the vertebral column behind the peritoneum. – They remove waste products of metabolism and excess of water and salts …
NEUROMUSCULAR JUNCTION INTRODUCTION: Skeletal muscles are innervated by LARGE, MYELINATED nerve fibres. The junction between the nerve ending and the skeletal muscle fibre is called the Neuromuscular Junction. STRUCTURE: 1) Axon Terminal/ Motor End Plate: When the axon comes close to the muscle fibre, it loses its sheath. So the axis cylinder is …
MUSCLE OF MASTICATION ARE AS FOLLOW; 1) MASSETER Origin : Superficial layer – zygomatic arch ( anterior 2/3 rd , lower border ), maxillar zygomatic process . Deep layer – zygomatic arch deep surface . Middle layer – zygomatic arch ( posterior 1/3 rd , lower border ). Insertion : Superficial layer – ramus of …
WELCOME TO FACIAL MUSCLE ANATOMY 1) CORRUGATOR SUPERCILLI Origin : From the medial end of superciliary arch. Insertion: Mid- eyebrow skin. Action : Forehead vertical lines as in frowning. Nerve supply : FROM Facial nerve ( temporal branch ). 2) ORBUCULARIS OCULI Origin : – Maxilla ( frontal process ), Frontal bone ( nasal …
THE PELVIC FLOOR MUSCLES ARE:- 1) CREMASTOR Origin : From inguinal ligament. Insertion : Around spermatic cord and the testis . Action : Elevation of testis. Nerve supply : Genitofemoral nerve. 2) DARTOS Origin : Penis and the subcutaneous connective tissue of scrotum. Insertion : Skin of scrotum and penis. Action : …
INTRODUCTION OF BACK MUSCLE Back muscle anatomy are 1) TRAPEZIUS Origin : Spinous process C7 , T1-T12 , occipital bone. Insertion : Clavicle ( lateral 1/3 ) , Acromions process and spine of scapula. Action : – Elevates and retracts the scapula – Stabilizes the scapula . Nerve supply : – Accessory nerve – C3 …
INTRODUCTION FOR ABDOMINAL MUSCLE 1) EXTERNAL OBLIQUE MUSCLE Origin : Lower ribs . Insertion : Linea Alba, pubic crest of tubercle. Action : Trunk Flexion and lateral bend. Nerve supply : Intercostal nerve. 2) INTERNAL OBLIQUE MUSCLE Origin : Thoracolumbar fascia. Insertion : Lower 3 or 4 ribs, pubic crest and …
INTRODUCTION OF NECK MUSCLES 1) LONGUS CAPITIS Origin : Anterior tubercle of C3 – C6 vertebrae. Insertion : Basillary portion of occipital bone . Action : Flexion of head and neck. Nerve supply : Cervical plexus. Blood supply : Deep cervical artery . 2) LONGUS COLI Origin : Anterior tubercle and …
1) PECTORALIS MAJOR Origin : FROM – Anterior medial half of clavicle. – Half of manubrium and sternum. – costal cartilage ( second to sixth ). Insertion : ON – Lateral lip of bicipital groove. Action : MAINLY – Adduction and medial rotation of shoulder – Flexion of arm . Nerve supply: – Medial and …
INTRODUCTION 1) SARTORIUS Origin :FROM Iliac spine ( anterior surface ). Insertion : ON Tibial upper medial surface. Action : MAINLY Thigh flexion, extension and lateral rotation . Nerve supply : Femoral nerve . 2) RECTUS FEMORIS Origin : FROM Anterior inferior iliac spine. Insertion : ON Tibial tuberosity by …
UPPER LIMB MUSCLES 1)DELTOID Origin : – Clavicle ( lateral 1/3 rd ). – Acromion ( lateral border ). – crest of spine of scapula . Insertion : Deltoid tuberosity ( Humerus ). Action: – Powerful arm abductor ( middle fiber ). – Arm flexion and medial rotation ( Anterior fiber ). …
INTRODUCTION DEFINITION These are the contractile tissue which brings about all the movement in the body. Types of muscle The muscle are if three types:- skeletal, smooth, and cardiac. Synonyms of skeletal muscle are 1) striped muscles 2) Striated muscles 3)Somatic muscles 4) Voluntary muscles. Parts of a muscle A) Two ends 1) ORIGIN …
INTRODUCTION – The study of electrical activity of the muscle is called Electromyography. – The graphical representation of electrical activity of muscle is called Electromyogram. • Electromyography Technique : -Electromyogram is recorded by the use of cathode ray oscilloscope or a polygraph. – Electrodes used in this technique are ; (1) Surface electrode …
INTRODUCTION – Smooth muscle are voluntary and non-striated. – Present in almost all the organs as bundles or sheaths. – This forma a major contractile tissues of various organs . * Smooth muscle fibers are present in following structures ; – Wall of esophagus , stomach and intestine. – Duct of digestive gland. …
HUMAN MUSCLES -There are about 600 muscles in a human body. • Classification of muscles based on different factors : (1) Depending upon striation. (2) Depending upon the control. (3) Depending upon the situation. 1) Depending upon striation : – Depending upon presence or absence of striation muscles are classified as, (a) Striation muscle (b) …
•Muscle mass : – Muscle mass is made up of large number of individual muscle cells or myocytes. -Myocytes are long and slender in appearance and are commonly called muscle fibers. -Muscle fibers are arranged parallel to one another with some connective tissue in between and they are multinucleated. – Fascia separates muscle mass from …
INTRODUCTION -Arterial blood pressure is a lateral pressure exerted by blood on the wall of the arteries. -Blood pressure is measured indirectly by using sphygmomanometer. • Types of blood pressure ; 1) Systolic blood pressure 2) Diastolic blood pressure 3) Pulse pressure 4) Mean arterial blood pressure. – Normally blood pressure is denoted as Systolic …
INTRODUCTION -The heart is a muscular pump which is responsible for blood circulation. -It is a conical hollow muscular organ situated between the lungs in the middle mediastinum. -It is enclosed within the pericardium. -It pumps blood to the various parts of the body to meet their nutritive requirements. -Heart is placed obliquely behind the …
INTRODUCTION -ECG refers to graphical recording of electrical activities of heart-electrocardiogram. -The electrical activity occurs prior to mechanical component of cardiac cycle. -Electrocardiography is the technique and electrocardiograph is the instrument used to record electrical activities. • Uses of ECG : 1) To record heart rate ( when heart rate is very high) 2) …
INTRODUCTION Cardiac murmur is the abnormal heart sound. It is also called cardiac bruit. Cardiac murmur is mainly heard by stethoscope, along with the normal heart sounds. CAUSES OF MURMUR -It is produced because of change in the pattern of blood flow. -Normally, the blood flows in streamline through the heart and blood vessels. …
