ULNA BONE INTRODUCTION FOR ULNA BONE – Ulna bone is a medial bone of forearm -The ulna is one of two bones of forearm, and the other one is radius. -It forms the elbow joint with the humerus and also proximally and distally it articulates with the radius . – In the anatomical position …
THYROID GLAND ANATOMY OF TYHROID GLAND – Thyroid gland is an endocrine gland present in lower part of front and sides of neck. – It regulates basal metabolic rate and has a important role in the calcium metabolism. – It is roughly H shaped and It has 2 lobes and a isthmus. …
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 …
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 …
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 …
ABDOMINAL MUSCLE INTRODUCTION TO 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 …
INTRODUCTION OF NECK MUSCLES NECK ANATOMY ARE AS FOLLOWS- 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 …
ANATOMY OF HEART 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 …
