颏舌的

Estrogen may protect the patency of upper airway through affecting muscle function of upper airway dilator.

雌激素可能通过增强颏舌肌肌功能的途径对上气道稳定性发挥保护作用。

Objective:To investigate the effect of submaxillary transcutaneous electric stimulation of genioglossus on obstructive sleep apnea syndrome.

目的 ：探讨经皮电刺激颏舌肌对阻塞性睡眠呼吸暂停综合征患者咽腔不同阻塞平面的影响。

Objective To investigate the effective position of submaxillary transcutaneous electrical stimulation for obstructive sleep apnea syndrome.

摘 要：目的探讨对阻塞性睡眠呼吸暂停综合征（obstructive sleep apnea syndrome， OSAS）有效的颌下经皮电刺激颏舌肌部位。

Results The submental and internal side of mandibular angle was effective loci for stimulating genioglossus. Stimulative radius and intensity of both loci were not significantly different (P＜0.05) and no influence of the skin thickness was found.

结果 选定的颏下及下颌角内侧两刺激部位，能有效刺激颏舌肌，两刺激点半径、刺激强度无差异(P＞0.05)，并不受颌下皮肤厚度影响。

The above results suggest that both dMNF and vMNF participate in the regulation of the myoelectric activities of genioglossus and the upper airway resistance.

结果提示： dMNF和vMNF均参与对颏舌肌肌电活动的调节，从而对上呼吸道阻力也有一定的影响。

The results are as follows:(1) Long train electrical stimulation at the vMNF inhibitited the myoelectric activities of genioglossus markedly.

结果如下：(1)长串电脉冲刺激vMNF导致颏舌肌肌电活动明显被抑制；(2)在vMNF内微量注射谷氨酸钠，颏舌肌肌电活动出现明显的抑制效应；(3)单脉冲电刺激vMNF引起颏舌肌抑制反应的潜伏期为(20.6±0.4)ms。

Forty adult cadaver heads (male=29,female=11) were dissected to measure genial tubercles and observe the start-stop points of genioglossus muscle and geniohyoid muscle.

选取 4 0具成人尸头，解剖下颌骨、颏舌肌和颏舌骨肌，观察颏舌肌和颏舌骨肌的起止点和走行，测量颏棘及其相关参数，然后采用SPSS10 。0统计软件进行分析。

CIH decreases the endurance properties of genioglossus.

慢性间歇性低氧可降低大鼠颏舌肌的抗疲劳性。

The results are as follows.(1) Long train electrical stimulation at the dMNF facilitated myoelectric activities of genioglossus and phrenic muscle.(2) Short train electrical stimulation of dMNF, when delivered in the inspiratory phase, caused prolongation of myoelectric activities of genioglossus and phrenic muscle; but when delivered in the expiratory phase, myoelectric activities of genioglossus and phrenic muscle were shortened.(3) Long train electrical stimulation at the vMNF inhibited myoelectric activities of genioglossus and phrenic muscle.(4) Short train electrical stimulation of vMNF caused shortening of myoelectric activities of genioglossus and phrenic muscle, when delivered in the inspiratory phase, but a prolongation when delivered in the expiratory phase.(5) The effects of microinjection of glutamate to dMNF and vMNF were similar to those of electrical stimulation.

结果如下：(1)长串电脉冲刺激dMNF引起颏舌肌和膈肌肌电活动明显增强；(2)短串电脉冲刺激dMNF，当刺激落位于吸气相时，引起颏舌肌和膈肌在吸气相的肌电活动延长，当刺激落位于呼气相时，引起颏舌肌和膈肌在呼气相的肌电活动提前终止；(3)长串电脉冲刺激vMNF使颏舌肌和膈肌肌电活动明显被抑制；(4)短串电脉冲刺激vMNF，当刺激落位于吸气相时，引起颏舌肌和膈肌在吸气相的肌电活动提前终止，当刺激落位于呼气相时，引起颏舌肌和膈肌在呼气相的肌电活动延长；(5)在dMNF和vMNF分别微量注射谷氨酸钠，其效应与电刺激结果基本一致。

BACKGROUND: We evaluated the usefulness of the hyomental distance ratio, defined as the ratio of the HMD at the extremeof head extension to that in the neutral position, in predictingdifficult visualization of the larynx in apparently normalpatients, by examining the following preoperative airway predictors,alone and in combination: the modified Mallampati test, HMDin the neutral position, HMD and thyromental distance at theextreme of head extension and HMDR.

背景：我们通过以下单一或混合的术前气道指标评估了颏舌距离比在预测表面上正常的患者喉镜检查时发生困难视野的可靠性：改良Mallampati 试验、头部中立位时的HMD、头部最大伸展位时HMD和甲颏距离以及HMDR.HMDR定义在为头部最大伸展位和中立位时HMD的比值。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。