| short flexor muscle of little finger | Origin, hamulus of hamate bone; insertion, medial side of proximal phalanx of little finger; action, flexes proximal phalanx of little finger; nerve supply, ulnar. Synonym: musculus flexor digiti minimi brevis manus, short flexor muscle of little finger. (05 Mar 2000) |
|---|---|
| short flexor muscle of little toe | Origin, base of metatarsal bone of the little toe and sheath of musculus peroneus longus; insertion, lateral surface of base of proximal phalanx of little toe; action, flexes the proximal phalanx of the little toe; nerve supply, lateral plantar. Synonym: musculus flexor digiti minimi brevis pedis, short flexor muscle of little toe. (05 Mar 2000) |
| short flexor muscle of thumb | <anatomy, muscle> Origin, superficial portion from flexor retinaculum of wrist, deep portion from ulnar side of first metacarpal bone; insertion, base of proximal phalanx of thumb; action, flexes proximal phalanx of thumb; nerve supply, median (superficial head) and deep branch of ulnar (deep head). Some authors consider the deep head to be the first in a series of four palmar interossei muscles of the hand. Synonym: musculus flexor pollicis brevis, short flexor muscle of thumb. (05 Mar 2000) |
| short flexor muscle of toes | <anatomy, muscle> Origin, medial tubercle of calcaneus and central portion of plantar fascia; insertion, middle phalanges of four lateral toes by tendons perforated by those of the flexor longus; action, flexes lateral four toes; nerve supply, medial plantar. Synonym: musculus flexor digitorum brevis, musculus flexor brevis digitorum, short flexor muscle of toes. (05 Mar 2000) |
| short gastric arteries | Four or five small arteries given off from the splenic, passing via the gastrosplenic ligament to the fundus of the stomach along the greater curvature, and anastomosing with the other arteries in that region. Synonym: arteriae gastricae breves, vasa brevia. (05 Mar 2000) |
| short gastric veins | Small vessels that drain the fundus and left portion of the stomach wall and empty into the splenic vein. Synonym: venae gastricae breves. (05 Mar 2000) |
| short gyri of insula | Several short, radiating gyri converging toward the base of the insula, composing the anterior two-thirds of the insular cortex. Synonym: gyri breves insulae. (05 Mar 2000) |
| short head | For a muscle with two heads of origin (a "biceps" muscle), the head originating nearest the insertion. See: short head of biceps brachii muscle, short head of biceps femoris muscle. Synonym: caput breve. (05 Mar 2000) |
| short head of biceps brachii muscle | <anatomy> Head of biceps brachii originating from coracoid process of scapula. Synonym: caput breve musculi bicipitis brachii. (05 Mar 2000) |
| short head of biceps femoris muscle | <anatomy> Part of biceps femoris originating from linea aspera of distal half of femur. Synonym: caput breve musculi bicipitis femoris. (05 Mar 2000) |
| short incubation hepatitis | A virus disease with a short incubation period (usually 15 to 50 days), caused by hepatitis A virus, a member of the family Picornaviridae, often transmitted by faecal-oral route; may be inapparent, mild, severe, or occasionally fatal and occurs sporadically or in epidemics, commonly in school-age children and young adults; necrosis of periportal liver cells with lymphocytic and plasma cell infiltration is characteristic and jaundice is a common symptom. Synonym: epidemic hepatitis, hepatitis A, infectious hepatitis, MS-1 hepatitis, short incubation hepatitis, virus A hepatitis. (05 Mar 2000) |
| short interspersed elements | Repetitive sequences of DNA of about 300 base pairs in length that occur about every 3000-5000 bp in the genome. (05 Mar 2000) |
| short-jointed | Having short intervals between the joints; said of a plant or an animal, especially of a horse whose pastern is too short. Source: Websters Dictionary (01 Mar 1998) |
| short levatores costarum muscles | Origin, the transverse processes of last cervical and eleven thoracic vertebrae; insertion ribs immediately below, between angle and tubercle. Synonym: musculi levatores costarum breves. (05 Mar 2000) |
| short limbs and osteopenia | <radiology> Osteogenesis imperfecta, hypophosphatasia (12 Dec 1998) |