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[ICAR-IVRI] VETERINARY ANATOMY ATLAS

VETERINARY ANATOMY.
FROM STRUCTURE TO FUNCTION.

A free veterinary anatomy learning platform for B.V.Sc., M.V.Sc., DVM and veterinary medicine students worldwide, developed at the Veterinary Anatomy Section, ICAR-Indian Veterinary Research Institute, Bareilly—covering VCI/MSVE and international university curricula through regional anatomy, histology, embryology, comparative biomechanics, clinical notes, quizzes and revision.

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Coracobrachialis
/// STANDARD MORPHOLOGY // MYOLOGY
📝 STANDARD DESCRIPTION:
Type: Intrinsic, Scapulohumeral (Medial)

Origin: Coracoid process of scapula (medial to supraglenoid tubercle)

Insertion: Medial surface of humeral shaft, distal to lesser tubercle

Function: Adducts arm and flexes shoulder.
📚 DETAILED DESCRIPTION:
THE MEDIAL STABILIZER

Arises from the coracoid process (a medial bony prominence of the scapula), giving it a medial-anterior line of pull.

COURSE: Runs along the medial aspect of the humerus, deep to the pectoral muscles but superficial to the brachial vessels and nerves in the proximal arm region.

FUNCTIONAL ROLE: Primarily adducts the arm (prevents abduction) and assists in shoulder flexion. Acts as a medial bracing muscle during the stance phase, preventing lateral deviation of the limb.

NERVOUS RELATIONSHIP: Innervated by the musculocutaneous nerve; often used as a surgical landmark to locate this nerve during axillary approaches.

// COMPARATIVE ANALYSIS

DOG Two heads common; more significant for shoulder flexion.
HORSE Similar single head anatomy; less bulky than in ox.
CLINICAL RELEVANCE
Axillary Approach: Retracted laterally during approaches to axillary vessels; protects brachial plexus roots.
BIOMECHANICS ENGINE
Comparative Veterinary Biomechanics

The Why of Veterinary Anatomy

Explore the hidden mechanics of why structures are present, absent or modified across domestic and wildlife species—and how each anatomical design supports movement, function and clinical practice.

CREATED BY FAZAL ZAMA (B0-350-2025) IVRI UG
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