| IAS | immunosuppressive acidic substance; infant apnea syndrome; insulin autoimmune syndrome; interatrial ... |
|---|---|
| IS | ileal segment; immediate sensitivity; immune serum; immunosuppression; impingement syndrome; incenti... |
| IVS | inappropriate vasopressin secretion; intervening sequence; interventricular septum; intervillous spa... |
| LS | lateral suspensor; left sacrum; left septum; left side; legally separated; leiomyosarcoma; length of... |
| RS | radioscaphoid; random sample; rating schedule; Raynaud syndrome; recipient's serum; rectal sinus; re... |
| septum atrioventriculare | The small part of the membranous septum of the heart just above the septal cusp of the tricuspid valve that separates the right atrium from the left ventricle. Synonym: septum atrioventriculare, pars membranacea septi atriorum. (05 Mar 2000) |
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| septum bulbi urethrae | A fibrous septum in the interior of the bulb of the penis which divides it into two hemispheres. (05 Mar 2000) |
| septum canalis musculotubarii | A very thin horizontal plate of bone forming two saemicanals, the upper, smaller, for the tensor tympani muscle, the lower, larger for the auditory tube; its termination in the middle ear is the processus cochleariformis. Synonym: septum canalis musculotubarii, septum of musculotubal canal, septum tubae. (05 Mar 2000) |
| septum cervicale intermedium | A thin septum composed of glia fibre and leptomeningeal connective tissue in the cervical spinal cord marking the border between the gracile fasciculi and cuneatus of the dorsal funiculus. Synonym: septum cervicale intermedium. (05 Mar 2000) |
| septum clitoridis | An incomplete fibrous septum between the corpora cavernosa of the clitoris. Synonym: septum corporum cavernosorum clitoridis. (05 Mar 2000) |
| septum corporum cavernosorum clitoridis | An incomplete fibrous septum between the corpora cavernosa of the clitoris. Synonym: septum corporum cavernosorum clitoridis. (05 Mar 2000) |
| septum femorale | The delicate fibrous membrane that closes the femoral ring at the base of the femoral canal. Synonym: septum femorale, Cloquet's septum, crural septum. (05 Mar 2000) |
| septum glandis | A fibrous partition extending through the glans penis from the lower surface of the tunica albuginea to the urethra. Synonym: septum glandis. (05 Mar 2000) |
| septum interalveolare | The tissue intervening between two adjacent pulmonary alveoli; it consists of a close-meshed capillary network covered on both surfaces by very thin alveolar epithelial cells, one of the bony partitions between the tooth sockets. Synonym: septum interalveolare, alveolar septum, septal bone. (05 Mar 2000) |
| septum, interatrial | The wall separating the upper chambers (the atria) of the heart. A hole in the interatrial septum is termed an atrial septal defect (ASD). (12 Dec 1998) |
| septum interatriale | The partition separating the upper chambers (the atria) of the heart. (12 Dec 1998) |
| septum intermedium | Old term for the septum of the atrioventricular canal of the embryonic heart formed by the fusion of the dorsal and ventral atrioventricular canal cushions. (05 Mar 2000) |
| septum intermusculare | <anatomy> A term applied to aponeurotic sheets separating various muscles of the limbs; these are anterior and posterior crural, lateral and medial femoral, lateral and medial humeral. Synonym: septum intermusculare. (05 Mar 2000) |
| septum, interventricular | The wall separating the lower chambers (the ventricles) of the heart. A hole in the interventricular septum is termed a venticular septal defect (vsd). (12 Dec 1998) |
| septum interventriculare | The stout wall separating the lower chambers (the ventricles) of the heart fromone another. A hole in the interventricular septum is termed a ventricular septal defect (vsd). (12 Dec 1998) |