[pi-ras-ti-kee] /pɪˈræs tɪ ki/
noun, plural parastichies. Botany.
one of a number of seemingly secondary spirals or oblique ranks winding around the stem or axis to the right and left in a spiral arrangement of leaves, scales, etc., where the internodes are short and the members closely crowded, as in the houseleek and the pine cone.
noun (pl) -chies
a hypothetical spiral line connecting the bases of a series of leaves on a stem
an arrangement of leaves so connected
/ˌpærəˈsuːɪˌsaɪd/ noun 1. the deliberate infliction of injury on oneself or the taking of a drug overdose as an attempt at suicide which may not be intended to be successful 2. a person who commits such an act noun a faked or half-hearted suicide attempt, a suicide attempt in which the person wants attention but […]
/ˌpærəˌsɪmbɪˈəʊsɪs/ noun 1. the symbiotic relationship that occurs between certain species of fungi and lichens (which are themselves symbiotic associations between a fungus and an alga)
[par-uh-sim-puh-thet-ik] /ˌpær əˌsɪm pəˈθɛt ɪk/ adjective, Anatomy, Physiology, 1. pertaining to that part of the autonomic nervous system consisting of nerves and ganglia that arise from the cranial and sacral regions and function in opposition to the system, as in inhibiting heartbeat or contracting the pupil of the eye. /ˌpærəˌsɪmpəˈθɛtɪk/ adjective 1. (anatomy, physiol) of […]
- Parasympathetic ganglion
parasympathetic ganglion n. Any of the ganglia of the autonomic nervous system composed of cholinergic neurons receiving afferent fibers originating from preganglionic visceral motor neurons in either the brainstem or the middle sacral segments of the spinal cord.