THRA.28 Flashcards
Mammary gland arrangement in canine
- Thoracic: 4
- Abdominal: 4
- Inguinal: 2
Mammary gland arrangement in equine
- Inguinal: 2 (doubled)
Mammary gland arrangement in bovine
- Inguinal: 4
Mammary gland arrangement in swine
- Thoracic: 4
- Abdominal: 6
- Inguinal: 4
Mammary gland arrangement in feline
- Thoracic: 4
- Abdominal: 2
- Inguinal: 2

Lateral fascial sheet

Medial fascial sheet

Suspensory lamella
These structures make up the…

Suspensory apparatus

Intermammary groove

Gland sinus

Venous ring

Teat sinus

Teat

Papillary duct

Teat orifice
These structures make up the…

Lactiferous sinus

Superficial inguinal ring

External pudendal artery and vein

Genitofemoral nerve

Superficial caudal epigastric vein

Dorsal labial branch of the internal pudendal vein

Cranial mammary vein

Caudal mammary artery and vein

Venous ring

External pudendal vein

Dorsal labial branch of the internal pudendal vein

Superficial epigastric vein

Venous ring
Which types of innervation does the mammary gland receive?
- Sensory
- Sympathetic
- Parasympathetic
Thoracic mammary glands are innervated by…
- Intercostal nerves:
- Cutaneus branch
- Lateral and medial branches
- Cutaneus branch
Abdominal and inguinal mammary glands are innervated by…
- Cutaneous branch of:
- Iliohypogastric nerve
- Ilioinguinal nerve
- Genitofemoral nerve
Inguinal mammary glands have additional innervation from…
- Pudendal + genitofemoral nerve:
- Distal cutaneous nerve:
- Mammary branch
- Distal cutaneous nerve:
Nervous + endocrine stimulation of the mammary gland allow…
Secretion