Body Plan in DR Flashcards
what is the skull divided into? (2)
cranium (brain box) and face
what does the skull do? (3)
houses organs for sensing, maintains airway and supports proximal parts of the GI tract
what does the cranium protect? (3)
cerebral hemispheres, cerebellum and brain stem
what does the skull consist of?
several flat pieces of bone joined by suture joints
what is another name for the lower jaw?
mandible
where does the mandible articulate with the cranium?
at the temporomandibular joint
what is special about the temporomandibular joint?
it is the only synovial joint of the skull
how are the muscles arrange around the eyes, mouth and nostrils?
as sphincters and dilators
what enclose the structures of the neck? (2)
skin and deep fascia
what surrounds the cervical vertebrae?
a column of muscles
what does the visceral column in the neck consist of? (5)
larynx, trachea, pharynx, oesophagus and thyroid and parathyroid glands
what do the neurovascular bundles in the neck contain? (4)
common carotid and internal carotid arteries, internal jugular vein and vagus nerve
name the 5 regions of the vertebral column starting at the top…
cervical, thoracic, lumbar, sacral, coccygeal
what does the vertebral column enclose?
the vertebral canal in which lies the spinal cord
what does the trunk consist of? (4)
thorax, abdomen, pelvis, perineum
what lines the body cavities and secretes fluid to provide a friction free surface?
simple squamous epithelium - mesothelium
what is the parietal layer?
outer layer that lines the body wall
what is the visceral layer?
covers the viscera
what surrounds the lungs?
visceral layers of pleura
what surrounds the heart?
visceral layers of pericardium
in the abdomen what supports the gut?
layer of peritoneum form mesenteries and ligaments
what structures are important in the mechanics of breathing and why? (3)
ribs, thoracic vertebrae, sternum as they support the thoracic wall
what does the diaphragm separate?
the thorax and abdomen
what is considered to be the inferior boundary of the abdomen?
the pelvic brim