Accessory organs of Digestive system of Goat

Accessory organs of Digestive system in Goat

Submitted to Dr.zeeshan AkbarSubmitted by14-Arid-2022FAISAL SHAHZAD SOMROO

This system has following acessory organs2: Accessory OrgansIt consist of - Tongue- Teeth- Salivary Glands- Liver- PancreasOTHER RELEVANT STRUCTURESAbdominal Cavity, Peritoneum, and Spleen

TONGUE.covered by mucous membrane.Located at the floor of the mouth, between the rami of the mandible.PARTSThe tongue is divided into three parts.1. ROOT:2. BODY:3. APEX:

TONGUETongue is situated on the floor of mouth ,between the rami of the mandibleIt is narrower in the middle of the body but width of the apex and root is almost same .Color of tongue is variable. PARTS OF TONGUE 1.Root2.Body3.Apex

TONGUEPAPILLAE: The mucous membrane of tongue give rise a large number of projections,called papillae which are of following four tyoingPARTS:1.Filliform2.Fungiform3.Lenticular4.vallate

TONGUE 1.Filliform: Thread-like and small in size and soft touch2.Fungiform: Mushroom-like, they are relatively large in size .3.Lenticular: They are rounded papillae on dorsum linguae.4.Vallate: *They are cup-shape. *They are 14-16 in number.

Teeth COMPOSITION.PulpDentineEnamel ComentumDESCRIPTIONA tooth presents four surfaces:1. Vestibular:2. Lingua:3.contact 4. Masticating:

PARTS OF TEETH1.Crown: It is the parts of the tooth visible above the mucous membrane of the gum.

2.Root: A tooth is anchored by its root .In a socket of a bone , called alveolus

COMPOSITION OF TEETHCOMPUSION: TEETH IS COMPOSED OF FOUR TYPES OF TEETH.1.PULP: Inner part of teeth that contain nerve ,vessels ,and loose connective tissue.2.Dentine: Connective tissue surrounding the pulp.3.Enamel: Outer surface located in the root.

SETS OF TEETHdiphyodont.i) Deciduous Teethii) Permanent TeethTYPES OF TEETHThe teeth are of four types named as follows;IncisorCaninePremolarmolar

DENTAL FORMULA

Deciduous Teeth FormulaPermanent Teeth Formula2 (Di 0/4 Dc 0/0 Dp 3/3) = 202 (I 0/4 C 0/0 Pm 3/3 M 3/3) = 32Di = Incisors (of deciduous teeth) Dc = Canine of deciduous teethDp = Premolars (of deciduous teeth)I = Incisors of permanent teethC = Canines (of permanent teeth) Pm = Premolars of permanent teethM = Molars (of permanent teeth

Salivary Gland enzyme ptylalin.TYPES OF GLANDSTwo categories:1. Chief Salivary Glandsi) Parotid glandii) Mandibular glandiii) Sublingual gland2. Minor Salivary Glandi) Labial glandii) Buccal glandiii) Lingual glandiv) Palatine glandThe parotid salivary gland secretes primarily a serous saliva.The mandibular and sublingual glands are classified as mixed glands.Most of the minor salivary glands have a mucous secretion.

LIVERlargest gland of the body1-2 % WIEGHTDESCRIPTIONThe liver presents two surfaces.(i) Parietal Surface(ii) Visceral SurfaceIMPRESSIONSi) Reticular impression ii) Omasal impressioniii) Abomasal impression iv) Renal impression (possess by the right kidney

Gall Bladderpear-shapedLIGAMENTS OF THE LIVERThe attachment of the liver is governed by six chief ligaments.1. Coronary Ligament2. Falciform Ligament3. Hepatorenal Ligament kidney4. Round Ligament5. Right Lateral Ligament6. Left Lateral LigamenBLOOD SUPPLYHepatic arteryceoliac arteryPortal vein

FUNCTIONS OF LIVER1. METABOLISM1. METABOLISM3. EXCRETION4. PROTECTIVE5. STORAGE of glycogen, iron, fat, vitamin A and D

SPLEENWeight Aprox. 100 gramsLength 12 -15 cmGreatest width of spleen 7.5 -10 cmacts as a filter for blood and plays an important role inthe immune responses of the body.DESCRIPTIONThe spleen may be described as having:Two Endsi) Dorsal end or baseii) Ventral endTwo Surfacesi) Parietal surfaceii) Visceral surface

FUNCTIONS OF SPLEEN1. PHAGOCYTOSIS2. HAEMOPOIESIS3. IMMUNE RESPONSES4. STORAGE OF RBCs

PANCREASThe weight 50 to 70 gramsLOBES OF PANCREASi) A large Right Lobeii) A small Left Lobe.BLOOD SUPPLYpancreatic arteriespancreatic veinsFUNCTIONS OF PANCREAS1. DIGESTIVE: Trypsin,Amylase,Lipase.2. ENDOCRINE: Insulin helps in utilizations of sugar in the cells. Deficiency of insulin results inHyper- glycemia . The disease is called diabetes mellitus.3. PANCREATIC JUICE: It provides appropriate alkaline medium (pH 8) for the activity of thePancrea-tic enzymes.

18

T H E E N D Any questions?